ERRATA IN Section III Division

Transcription

1 RRT IN Section III Division 5 0 () Record. -7 Revision after ballot - for recirculation ballot. dded and modified error corrections are indicated in green

2 lose up spaces between "S" and "mt", and "S" and "t" Should be italic

3 lose up spaces between "S" and subscript lose up spaces between "T" and subscripts Should be italic lose up spaces between "S" and subscript

4 lose up spaces between "S" and subscript Same correction for 9 rectangles

5 Should be roman

6 Insert space after ""

7 0 STION I DIVISION 5 move to the right H-I-000- St llowable Stress Intensity Values for S-5 Type, lass and S-50 Grade, lass, ksi (MPa) Temperature ( ) ,000 (7) () (7) (5) () (50) Time at Temperature, hr (7) (7) (7) (65) () (0) (69) (7) (7) (65) () () () (9) (7) (7) (5) (7) (69) () (65) (65) () () () () () ,000 (65) () (0) (55) (00) () ,000 () (76) () (65) (0) (66) () (0) () H-I-000- llowable Stress Intensity Values for S-5 Type, lass and S-50 Grade, lass, S m Yield Strength and Tensile Strength Versus Temperature Temperature Insert ellipses for the following rows as follows: Sm ( ) ksi (MPa) ,000 (7) () (7) (5) () (50) () () () (76) (55) () GNRL NOTS: (a) or yield strength, ksi (MPa), see Y- of Section Part D. (b) or tensile strength, ksi (MPa), see U of Section Part D. S/b "Section Y-" and "Section U, respectively H-I-000- xpected Minimum Stress-to-Rupture Values for S-5 Type, lass and S-50 Grade, lass, ksi (MPa) Temperature ( ) ,000 (7) () (7) (5) () (50) Time to Rupture, hr (55) (55) (55) () (6) (00) (55) (55) () () (7) (0) (55) (57) (76) (07) () (55) (55) () () () (00) () (55) (6) (0) () (59), () () (5) (), (50) (6) (7) (0) () () 0, () (07) () (55) () (7) (66) 0, (55) (7) () () () () () 00, () () () (59) (0) () H-I Modulus of lasticity Versus Temperature for S-5 Type, lass and S-50 Grade, lass S-5 Type, lass Section TM-, Group ) S-50 Grade, lass Section TM-, Group ) 6

8 Greek Delta s/b roman, not italic. ix throughout. S", "Sb", and "Sc" should be italicized variables. 0 STION I DIVISION 5 dd subscript "i" (itallic) (c) The rules of (a) above do not explicitly address fatigue damage resulting from cyclic service. (d) or design calculations, the allowable stress values at elevated temperatures shall be obtained from the s of Mandatory ppendix H-II. These tables are extensions of s,, and of Section Part D. H-500 H-50 Subarticle and for all Division, N-600 references, eqs. (0a) and () of Division, N-65. shall be modified as in (b) and (c) below. (b) The allowable stress values (S ) for thermal expansion stresses in eq. (0a) of Division, N-65. shall be determined by the form of eq. (0b) listed below: ð0bþ VLV DSIGN The stress range reduction factor, f, shall be determined as per Mandatory ppendix H-I. In addition, all thermal cycles shall satisfy the following stress criteria: GNRL RQUIRMNTS (a) levated temperature lass valves designed by equation shall satisfy the requirements of Division, N-500 except as modified per H-00. (b) The rules of (a) above do not explicitly address fatigue damage resulting from cyclic service. (c) or design calculations, the allowable stress values at elevated temperatures shall be obtained from the s of Mandatory ppendix H-II. These tables are extensions of s,, and of Section Part D. H-600 H-60 ð0cþ where PIPING DSIGN Δ T = maximum temperature range for all Service Level,, and events. That is, the highest temperature during all events less the minimum temperature during all events. Δ T = temperature range for the i t h cycle Δ T i = Δ T for the i t h cycle (Division, N-65.) S y c = specified ( Y- of Section ) yield strength at the minimum (cold) temperature of the i t h thermal cycle. GNRL RQUIRMNTS levated temperature lass piping design shall conform to the rules of either H-6 for piping with negligible creep effects or H-6 for piping with creep effects. H-6 Piping With Negligible reep ffects or a particular component, the requirements are given in (a) and (b) below. (a) T h e e x e m p t i o n c r i t e r i a o f M a n datory ppendix H-III shall be satisfied. (b) The Design and Service Limits of Division, N-600 shall be satisfied for lass piping with the exceptions and additions listed in () through () below. () N-6.: The allowable stress values in s,, and of Section may be extended by using values in H-II-000- of Mandatory ppendix H-II. () N-6.(b): The rules of H-0 of this rticle may satisfy this requirement on external pressure loadings. () N-6.: Limits may be satisfied by the rules of H-0. () N-6.(c)(7): nintegral reinforcements are excluded by H-00. H-6 S/b roman. Insert space after "expansion" Don't break "temperature" (c) The allowable stress values in eq. () of Division, N-65. shall be determined by the modified eq. () listed below: ðþ where S and S y c are stress values as defined in (b). (d) The definitions of other terms used above in (b) and (c) are provided in Division, N-6.(c). (e) dditional modifications for Division, N-600 rules are stated in () through below. () N-6.(b): The requirements are satisfied by the rules of H-00. () N-6.: The requirements are satisfied by the rules of H-0. () N-6(c)(7): nintegral reinforcements are excluded by H-00. () N-6.6: urst or proof tests and short-term experiments are not acceptable for other designs. N-69: Proof tests and short-time experiments are not adequate proof of acceptable designs. N-67.; N-67.(d)(); N-67.7: ll durations of elevated temperature service shall also be duplicated in the tests. Piping With reep ffects (a) The requirements of Division, N-600, as modified by this Subarticle, shall be satisfied for all specified Service Levels,, and on lass piping. The allowable stress values in s,, and of Section Part D may be extended to elevated temperatures using the values of the s in Mandatory ppendix H-II. In this 7 "ST", "S", "Sh", and "Syc" s/b italicized variables. Insert space after "of".

9 0 STION I DIVISION 5 RTIL H-I-000 MXIMUM NUMR O LLOWL YLS WITH f = ( N ) = N v a l u e f o r t e m p e r a t u r e T f r o m H-I-000- ( N )i = N value for temperature T i T = temperature value in H-I-000- immediately below T i T = temperature value in H-I-000- immediately above T i T i = intermediate temperature The maximum number of cycles, N, permissible with f = is determined from H-I or temperatures intermediate to the values given in H-I-000-, the corresponding value of (N )i shall be obtained using the equation below: (te: T <T i <T and T and T are adjacent values in H-I-000-.) where ( N ) = N v a l u e f o r t e m p e r a t u r e T f r o m H-I-000- H-I-000- Stress Range Reduction actor Number of quivalent ull Temperature ycles, N f through N N through.69n.69n through.05n.05n through 5.95N 5.95N through.6n.6n through N N through N N through,5n >,5N enter all on the word "through"

10

11 hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for erritic Steel lass omponents P. Group. /Mo /Mo /Mo /Mo /Mo /Mo /Mo /Mo Mn /Mo /Ni /Mo /r V Mn / Mo /Ni /Ni /Mo / r V r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo /r /Mo /r Mo /r Mo orging asting Wld. tube orging orging orging asting asting org. pipe asting orging orging orging orging org. pipe orging orging asting orging itting Spec.. S- S-6 S-55 S-56 S-06 S-0 S-7 S-55 S-56 S-66 S-05 S- S-6 S-55 S-56 S-06 S-6 S-5 S-69 S-7 S-0 S- S-6 S-0 S-0 S-0 S-50 S-5 S-5 S-7 S- S-5 S-69 S-7 S- S-6 S-7 S- S- Grade or Type lass W W W P P W T P P W6 WP lose space before "Mo" Specified Minimum Strengths, S y /S u 0/60 0/60 /60 /60 5/60 7/60 7/60 5/65 5/65 6/70 6/70 6/70 6/70 /70 /70 0/70 0/70 0/55 0/55 5/65 7/65 0/70 0/70 0/70 / 50/0 50/0 50/0 50/0 /55 /60 /60 /60 0/65 0/70 0/70 0/70 0/60 0/60 tes pplicable Mandatory ppendix H-III Line ,000,050,00,50,00 (7)() ()() () () () () () () () () (7)() (7)() ()() () () () ()() (9) (9) ()()(9) (9) (9) (9) (9) (9) ()() (0)() (0)() U.S. ustomary Units Stress Values (in ksi) for Metal Temperatures,, t to xceed Delete cross-reference te throughout this table. (te has been deleted) 0 STION I DIVISION 5 9 minal omposition Product orm [te ()]

12 hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for erritic Steel lass omponents (ont'd) minal omposition Group itting Wld. pipe orging org. pipe asting orging orging org. pipe orging Spec.. S- S- S-69 S-5 S-6 S-69 S-7 S-7 S- S-6 S-7 S- S-5 S-69 S- S-5 S-7 S- Grade or Type lass WPW T /R P P W9 T9 P9 P9 T9 P9 9 9 lose space after "" Specified Minimum Strengths, S y /S u 0/60 0/60 0/60 0/60 0/60 0/60 0/60 0/70 5/ 5/ 5/ 0/60 0/60 0/60 60/5 60/5 60/5 60/5 tes pplicable Mandatory ppendix H-III Line U.S. ustomary Units ,000,050,00,50,00 (0)() (0) (0) (0) (0) (0) (0) ()()(0) (0) (0) ()(0) ()() ()() ()() ()() Stress Values (in ksi) for Metal Temperatures,, t to xceed Delete cross-reference te throughout this table. (te has been deleted) STION I DIVISION 5 /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo 9r Mo 9r Mo 9r Mo 9r Mo V 9r Mo V 9r Mo V 9r Mo V P. Product orm [te ()]

13 hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for erritic Steel lass omponents (ont'd) P. Group. /Mo /Mo /Mo /Mo /Mo /Mo /Mo /Mo Mn /Mo /Ni /Mo /r V Mn /Mo /Ni /Ni /Mo /r V r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo /r Mo /r Mo S/b "/" orging asting Wld. tube orging orging orging asting asting org. pipe asting orging orging orging orging org. pipe orging orging asting orging itting S- S-6 S-55 S-56 S-06 S-0 S-7 S-55 S-56 S-66 S-05 S- S-6 S-55 S-56 S-06 S-6 S-5 S-69 S-7 S-0 S- S-6 S-0 S-0 S-0 S-50 S-5 S-5 S-7 S- S-5 S-69 S-7 S- S-6 S-7 S- S- S/b "/" W W W P P W T P P W6 WP Specified Minimum Strengths, S y /S u 05/5 05/5 0/5 0/5 0/5 55/5 55/5 0/50 0/50 50/5 50/5 50/5 50/5 60/5 60/5 /5 /5 05/0 05/0 0/50 55/50 /5 /5 /5 95/55 5/550 5/550 5/550 5/550 0/0 0/5 0/5 0/5 /50 /5 /5 /5 05/5 05/5 SI Units tes pplicable Mandatory ppendix H-III Line (7)() ()() () () () () () () () () (7)() (7)() ()() () () () ()() (9) (9) ()()(9) (9) (9) (9) (9) (9) ()() (0)() (0)() Stress Values (in MPa) for Metal Temperatures,, t to xceed Delete cross-reference te throughout this table. (te has been deleted) 0 STION I DIVISION 5 9 minal omposition Product orm Grade or [te ()] Spec.. Type lass

14 hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for erritic Steel lass omponents (ont'd) minal omposition Group Product orm Grade or [te ()] Spec.. Type lass itting Wld. pipe orging org. pipe asting orging orging org. pipe orging 05/5 05/5 05/5 05/5 05/5 05/5 05/5 /5 5 0/55 0/55 05/5 05/5 05/5 5/55 5/55 5/55 5/55 S- S- S-69 S-5 S-6 S-69 S-7 S-7 S- S-6 S-7 S- S-5 S-69 S- S-5 S-7 S- WPW T /R P P W9 T9 P9 P9 T9 P9 9 9 SI Units tes pplicable Mandatory ppendix H-III Line (0)() (0) (0) (0) (0) (0) (0) ()()(0) (0) (0) ()(0) ()() ()() ()() ()() Stress Values (in MPa) for Metal Temperatures,, t to xceed Delete cross-reference te throughout this NOTS: table. (te has been deleted) () The following are the abbreviations used for Product orm: (a) Wld. Welded (b) Smls. Seamless S/b " 0/55" (c) org. orgings, orged () Statically and centrifugally cast products meeting the requirements of Division, N-57(a) and N-57(b), and cast pipe fittings, pumps, and valves with inlet piping connections of NPS (DN 50) and less shall receive a casting quality factor of.00. Other casting quality factors shall be in accordance with the following: Method of xamination (a) Visual (b) Magnetic Particle (c) Liquid Penetrant (d) Radiography (e) Ultrasonic (f) Magnetic Particle or Liquid Penetrant plus Ultrasonic or Radiography Quality actor () rmalized and Tempered, only. () rmalized and Tempered. or external pressure charts see Section. Delete " orgings, " 0 STION I DIVISION 5 9 /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo 9r Mo 9r Mo 9r Mo 9r Mo V 9r Mo V 9r Mo V 9r Mo V P. Specified Minimum Strengths, S y /S u

15 or information only H-II-000- llowable Stress Values for erritic Steel lass omponents (ont'd) 9 0 STION I DIVISION 5 NOTS (ONT'D): te no longer used. (7) or service temperatures above 50 (5 ) for periods in excess of hr, it is recommended that killed steels containing not less than 0.0% silicon by heat analysis be used. Killed steels that have been deoxidized with large amounts of aluminum and rimmed steels may have creep and stress rupture properties, in the temperature range above 50 (5 ), which are some what less than those on which the values in the above are based. () If cumulative service times (i.e., sum of event times during the entire service life) are expected to exceed hr with concurrent temperatures above 00 (5 ), then the problems of corrosion and material transformation should be considered before selecting this alloy for the application. or example, the carbide phase of the carbon steel may be converted to graphite (graphitization). (9) [te ()] above applies to this alloy, except that the range of temperatures of concern begins at (6 ) instead of 00 (5 ). (0) This material shall have a maximum specified room temperature ultimate strength of 5,000 psi (56 MPa) and a minimum specified carbon content of 0.07%. () The tensile requirements shall meet those for in Material Specification S-6 instead of those for in Specification S-. () The material allowed under S- shall correspond to one of the following: (a) S-5, Grade P (b) S-7, Grade, lass (c) S-, Grade in compliance with [te ()]. () The material shall be normalized at,0 through,000 ( 00 through 095 ) and tempered at,50 (70 ), minimum. The requirements for PWHT shall satisfy the rules in US-56 of Section VI Division. The material shall be considered P-. 5 Group, except that the minimum holding temperature shall be,00 (705 ). () or external pressure design, ig. S- of Section Part D shall be used.

16 Replace "t"s with "D"s hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for lass olting Materials minal omposition Diameter, in.,00,00,00,00,00,00,00 () () (),00,00,50,50,5,5 / / < t <t 7 / / < t <t 7 > > S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-5 S-5 S-5 S-5 S-5 S M T ,50 6 S-67 7 S/b "/Mo" Specified Minimum Strengths, S y /S u tes 0/00 05/5 95/5 /00 05/5 95/0 5/00 70/00 60/00 60/95 50/95 5/0 5/0 () () () () () () () ()()() ()()() ()()() () () () () () () ne ne ne /5 Grade Spec.. or Type lass S/b "/" pplicable U.S. ustomary Units Mandatory Stress Values (in ksi) for Metal Temperatures,, t to xceed ppendix H-III Line ,000,050,00,50,00, STION I DIVISION 5 5r /Mo r /5Mo r /5Mo r /5Mo r /Mo V r /Mo V r Mo V r Ni 6r Ni Mo r 0Ni Ti 9r 9Ni Mo W 9r 9Ni Mo W 9r 9Ni Mo W 9r 9Ni Mo W 5Ni 5r Ti 5Ni 5r Ti 5Ni 9r 9e b Mo (see Spec.) Minimum Tempering Temperature,

17 hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for lass olting Materials (ont'd) minal omposition Spec.. Grade or Type lass Specified Minimum Strengths, S y /S u tes SI Units pplicable Stress Values (in MPa) for Metal Temperatures,, t to Mandatory xceed ppendix H-III Line () () () / / < t <t 7 / < t <t 7 > > S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-9 S-5 S-5 S-5 S-5 S-5 S M T /6 /60 655/5 55/6 /60 655/760 55/6 05/55 05/55 05/55 5/6 5/6 5/655 5/655 55/95 55/95 () () () () () () () ()()() ()()() ()()() () () () () () () ne ne ne S-67 7,05/, NOTS: () These values are established from a consideration of strength only and will be satisfactory for average service. or bolted joints, where freedom from leakage over a long period of time without retightening is required, lower stress values may be necessary as determined from the relative flexibility of the flanges and bolts and concomitant relaxation properties. () Solution treated at,0 ( 00 ). () or temperatures above,000 (5 ), these stress values may be used only if the material is heat treated by heating it to a minimum temperature of,0 ( 00 ) and quenching in water or rapidly cooling by other means. () t temperatures above,000 (5 ), these stress values apply only when the carbon content is 0.0% or higher. This material is solution-treated and precipitation-hardened. welding is permitted. S/b "/Mo" INORMTION ONLY: update of this column will be made in Record STION I DIVISION r /Mo r /5Mo r /5Mo r /5Mo r /Mo V r /5Mo V r Mo V r Ni 6r Ni Mo r 0Ni Ti 9r 9Ni Mo W 9r 9Ni Mo W 9r 9Ni Mo W 9r 9Ni Mo W 5Ni 5r Ti 5Ni 5r Ti 5Ni 9r 9e b Mo (see Spec.) Minimum Tempering Temperature, Diameter, in.

18 "[te ()]" should be on one line hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for ustenitic Steel lass omponents minal omposition Product P- Group orm [te.. ()] Spec.. asting orging S-5 S- r Ni orging S-5 r Ni orging S- r Ni S- r Ni S-0 r Ni S- r Ni S-76 r Ni ar S- r Ni Wld. tube S-9 r Ni Wld. pipe S- r Ni N r Ni N r Ni N r Ni N r Ni N r Ni N r Ni r Ni r Ni r Ni Wld. pipe Wld. Pipe itting itting itting itting S- S-0 S- S-76 S- S-5 S-0 S-0 S-0 S-0 0 0H 0 0H 0H 0 TP0H TP0 0H 0 TP0H TP0 TP0H TP0 0H 0 TP0H TP0 TP0H TP0 TP0N 0N TP0N TP0N TP0N 0N WP0 WP0W WP0H WP0HW 0/70 0/70 0/70 0/70 0/70 5/0 5/0 5/0 5/0 5/0 5/0 tes ()(7) (7)() (7)() (7)() (9) (7)(9) (7) (7) () ()(7) (7) (7)() () ()(7) () ()(7) (7) (7) (7) (7) ()(7) ()(7) (7) ()(7) () pplicable Mandatory ppendix H-III Line U.S. ustomary Units Stress Values [te ()] (in ksi) for Metal Temperatures,, t to xceed ,000,050,00,50,00,50,00,50,00,50, Delete cross-reference te throughout this table. (te has been deleted) STION I DIVISION 5 r Ni r Ni Grade or Type Specified Minimum Strengths, lass S y /S u

19 Should be "P-." ("N" and "o" s/b on one line) hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for ustenitic Steel lass omponents (ont'd) Group. Product orm [te ()] 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo orging Wld. tube Wld. pipe ar itting S- S-0 S- S-9 S- S- S- S-0 6r Ni Mo 6r Ni Mo asting orging S-5 S- 6r Ni Mo orging S-5 6r Ni Mo 6r Ni Mo asting orging S-5 S- 6r Ni Mo S- 6r Ni Mo S-0 6r Ni Mo Wld. tube S-9 6r Ni Mo Wld. tube S- 6r Ni Mo S-76 6r Ni Mo ar S- 6r Ni Mo itting S-0 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti Wld. pipe orging orging orging Wld. pipe itting S- S-0 S- S- S-76 S- S-5 S- S- S-0 S- S- S-76 S-0 r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti ar orging orging S- S- S- S- Spec.. Grade or Type lass 6L 6L TP6L TP6L TP6L TP6L 6L WP6L WP6LW M 6 6H 6 6H M 6 6H TP6 TP6H 6 6H TP6 TP6H TP6 TP6H TP6 TP6H 6 6H WP6 WP6W WP6H WP6HW TP6N 6N TP6N TP6N TP6N TP TP TP TP WP WPW H H TPH tes pplicable Mandatory ppendix H-III Line 5/65 5/70 5/70 5/70 5/70 5/70 5/70 5/70 5/70 0/70 0/70 0/70 0/70 0/70 0/70 5/0 5/0 5/0 5/0 5/0 0/70 0/70 0/70 () () () ()(0) (7) (7)() (7)() ()(0) (7) (7) (7)() ()(7) () (7) (7) (7)() (7)() ()(7)() () (7) (7) ()(7) (7) (7) (7)(9) (7)() (7)(9) (7) (7)() ()(7) (7) (7) ()(7) ()(7) (7)() (9) (9) D D D D D D D D D D D U.S. ustomary Units Stress Values [te ()] (in ksi) for Metal Temperatures,, t to xceed ,000,050,00,50,00, Delete cross-reference te throughout this table. (te has been deleted) 0 STION I DIVISION 5 P-. minal omposition Specified Minimum Strengths, S y /S u

20 hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for ustenitic Steel lass omponents (ont'd) P-. Group. Product orm [te ()] r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti Wld. pipe itting S-0 S- S- S-76 S-0 r 0Ni Ti ar S- minal omposition Spec.. Grade or Type lass H TPH TPH TPH WPH WPHW H Specified Minimum Strengths, S y /S u tes pplicable Mandatory ppendix H-III Line () () ,000,050,00,50,00, Delete cross-reference te throughout this table. (te has been deleted) 9 0 STION I DIVISION 5 Should be "P-." ("N" and "o" s/b on one line) U.S. ustomary Units Stress Values [te ()] (in ksi) for Metal Temperatures,, t to xceed

21 Should be "P-." ("N" and "o" s/b on one line) hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for ustenitic Steel lass omponents (ont'd) minal omposition P-N- Group o.. Product orm [te ()] Spec.. Grade or Type lass asting orging S-5 S- r Ni orging S-5 r Ni orging S- r Ni S- r Ni S-0 r Ni S- r Ni S-76 r Ni ar S- r Ni Wld. tube S-9 r Ni Wld. pipe S- r Ni N r Ni N r Ni N r Ni N r Ni N r Ni N r Ni r Ni r Ni r Ni Wld. pipe Wld. Pipe itting itting itting itting S- S-0 S- S-76 S- S-5 S-0 S-0 S-0 S-0 0 0H 0 0H 0H 0 TP0H TP0 0H 0 TP0H TP0 TP0H TP0 0H 0 TP0H TP0 TP0H TP0 TP0N 0N TP0N TP0N TP0N 0N WP0 WP0W WP0H WP0HW 05/5 05/5 05/5 05/5 05/5 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 0/550 0/550 0/550 0/550 0/550 0/550 05/55 05/55 05/55 05/55 tes pplicable Mandatory ppendix H-III Line SI Units ()(7) (7)() (7)() (7)() (9) (7)(9) (7) (7) () ()(7) (7) (7)() () ()(7) () ()(7) (7) (7) (7) (7) ()(7) ()(7) (7) ()(7) () Stress Values [te ()] (in MPa) for Metal Temperatures,, t to xceed Delete cross-reference te throughout this table. (te has been deleted) 0 STION I DIVISION 5 r Ni r Ni Specified Minimum Strengths, S y /S u

22 "Sy/Su" should be on one line Should be "P-." ("N" and "o" s/b on one line) hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for ustenitic Steel lass omponents (ont'd) Group. Product orm [te ()] Spec.. 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo orging Wld. tube Wld. pipe ar itting S- S-0 S- S-9 S- S- S- S-0 6r Ni Mo 6r Ni Mo asting orging S-5 S- 6r Ni Mo orging S-5 6r Ni Mo 6r Ni Mo asting orging S-5 S- 6r Ni Mo S- 6r Ni Mo S r Ni Mo Wld. tube S-9 6r Ni Mo Wld. tube S- 6r Ni Mo S-76 6r Ni Mo ar S- 6r Ni Mo itting S-0 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti Wld. pipe orging orging orging Wld. pipe itting S- S-0 S- S- S-76 S- S-5 S- S- S-0 S- S- S-76 S-0 r 0Ni Ti r 0Ni Ti r 0Ni Ti ar orging orging S- S- S- Grade or Type lass 6L 6L TP6L TP6L TP6L TP6L 6L WP6L WP6LW M 6 6H 6 6H M 6 6H TP6 TP6H 6 6H TP6 TP6H TP6 TP6H TP6 TP6H 6 6H WP6 WP6W WP6H WP6HW TP6N 6N TP6N TP6N TP6N TP TP TP TP WP WPW H H 70/50 70/5 70/5 70/5 70/5 70/5 70/5 70/5 70/5 05/5 05/5 05/5 05/5 05/5 05/5 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 0/550 0/550 0/550 0/550 0/550 05/5 05/5 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/5 05/55 tes pplicable Mandatory ppendix H-III Line () () () ()(0) (7) (7)() (7)() ()(0) (7) (7) (7)() ()(7) () (7) (7) (7)() (7)() ()(7)() () (7) (7) ()(7) (7) (7) (7)(9) (7)() (7)(9) (7) (7)() ()(7) (7) (7) ()(7) ()(7) (7)() (9) (9) D D D D D D D D D D D SI Units Stress Values [te ()] (in MPa) for Metal Temperatures,, t to xceed Delete cross-reference te throughout this table. (te has been deleted) 0 STION I DIVISION 5 P-. minal omposition Specified Minimum Strengths, S y / Su

23 Should be "P-." ("N" and "o" s/b on one line) "Sy/Su" should be on one line hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for ustenitic Steel lass omponents (ont'd) P-. Group. Product orm [te ()] Spec.. r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti Wld. pipe itting S- S-0 S- S- S-76 S-0 r 0Ni Ti ar S- minal omposition Grade or Type lass Specified Minimum Strengths, S y / Su TPH H TPH TPH TPH WPH WPHW H 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 tes pplicable Mandatory ppendix H-III Line () () SI Units Stress Values [te ()] (in MPa) for Metal Temperatures,, t to xceed Delete " orgings, " 0 STION I DIVISION 5 0 NOTS: () The following are the abbreviations used for Product orm: (a) Wld. Welded Delete cross-reference te throughout this (b) Smls. Seamless table. (te has been deleted) (c) org. orgings, orged () t temperatures above 00 (0 ), the allowable stress values may exceed 6/% and may also reach % yield strength (0.% offset) at temperature. This may result in a permanent strain of as much as 0.%. When this amount of deformation is not acceptable, the designer shall reduce the design stress to obtain an acceptable deformation. Y- of Section Part D lists multiplying factors that, when applied to the yield strength values shown in s Y- and Y- of Section Part D will give an allowable stress that will result in lower levels of permanent strain. These stress values are not recommended for flanges of gasketed joints or other applications where slight amounts of distortion can cause leakage or malfunction. () These S values do not include a weld efficiency factor. or materials welded without filler metal, ultrasonic examination in accordance with Division, N-550 or eddy current examination in accordance with Division, N-550 shall provide a longitudinal weld efficiency factor of.00. Materials (welded with filler metal) meeting the requirements of Division, N-560 shall receive a weld efficiency factor of.00. Other weld efficiency factors shall be in accordance with the following:

24 hange to read pplicable Line in ig. H-III-000- H-II-000- llowable Stress Values for High-Nickel lloy lass omponents minal omposition P-. Group Product orm Grade or. [te ()] Spec.. Type lass Ni e r Ni e r 5 5 Ni e r Ni e r Ni e r P-. S-6 S-07 00H 00H 5/65 5/65 ()() ()() G G S-56 S-0 S-09 00H 00H 00H 5/65 5/65 5/65 ()() ()() ()() G G G Ni e r Ni e r Ni e r & tube orging ar SI Units pplicable Mandatory Stress Values [te ()] (in MPa) for Metal Temperatures,, t to xceed ppendix H-III Line lass Specified Minimum Strengths, S y /S u S-6 S-07 00H 00H 70/50 70/50 ()() ()() G G S-56 S-0 S-09 00H 00H 00H 70/50 70/50 70/50 ()() ()() ()() G G G Group Product orm Grade or. [te ()] Spec.. Type Ni e r Ni e r tes U.S. ustomary Units pplicable Stress Values [te ()] (in ksi) for Metal Temperatures,, t to Mandatory xceed ppendix H-III Line ,000,050,00,50,00,50,00 tes NOTS: () The following are the abbreviations used for Product orm: (a) Wld. Welded (b) Smls. Seamless (c) org. orgings, orged () Due to the relatively low yield strength of these materials, these higher stress values were established, at temperatures where the short-time tensile properties govern, to permit the use of these alloys where slightly greater deformation is acceptable. These higher stress values exceed 66/%, but not %, of the yield strength at temperature. Use of these stresses may result in dimensional changes due to permanent strain. These stress values are not recommended for the flanges of gasketed joints or other applications where a slight amount of distortion can cause leakage or malfunction. () These materials shall have a total aluminum-plus-titanium content of at least 0.50% and shall have been heat treated at a temperature of,050 ( 0 ) or higher. () or external pressure charts, see Section. Solution treated/nnealed. Hot finished/nnealed. te () should be revised as follows () The following abbreviation is used for Product orm: Smls. - Seamless Information Only These comments are pending, committee discussion 0 STION I DIVISION 5 minal omposition & tube orging ar Specified Minimum Strengths, S y /S u

25 0 STION I DIVISION 5 RTIL H-II-000 SRVI THT MY INLUD RP TS (d) When using the allowable stresses of s H-II-000- through H-II-000-, they must be reduced to reflect other elevated temperature service history. The allowable stresses are reduced by multiplying them by the aging reduction factor of H-II that corresponds to the specified Design Temperature (or Service ondition Temperature). Linear interpolation shall be used for intermediate temperatures. The use of allowable stresses of s H-II-000- through H-II-000- for service that may include creep effects shall not apply for materials and temperatures for which allowable stresses and aging reduction factors are not provided in s H-II-000- through H-II (a) The allowable stresses of s H-II-000- through H-II-000- may be used for any service history. (b) o r w e l d m e n t s, t h e a l l o w a b l e s t r e s s e s o f s H-II-000- through H-II-000- must be adjusted by multiplying them by the welding reduction factor of s H-II through H-II corresponding to the specified Design Temperature. Linear interpolation shall be used for intermediate temperatures. Under these rules, welded construction is not permitted for materials and temperatures for which weldment reduction factors are not provided in s H-II through H-II (c) Up to hr of this service history may alternatively be evaluated with the allowable stresses of s H-II-000- through H-II-000- modified in accordance with (d) below. lose up space H-II-000- llowable Stress Values for erritic Steel lass omponents minal omposition /Mo /Mo /Mo /Mo /Mo /Mo /Mo /Mo Mn /Mo P-. Group. Product orm [te ()] orging asting Wld. tube orging orging orging asting asting org. pipe asting orging orging Specified Minimum Strengths, S y /S u Spec.. Grade or Type lass ksi MPa tes S- S-6 S-55 S-56 S-06 S-0 S-7 S-55 S-56 S-66 S-05 S- S-6 S-55 S-56 S-06 S-6 S-5 S-69 S-7 S-0 S- S-6 S-0 S-0 S-0 W W W P P W /60 0/60 /60 /60 5/60 7/60 7/60 5/65 5/65 6/70 6/70 6/70 6/70 /70 /70 0/70 0/70 0/55 0/55 5/65 7/65 0/70 0/70 0/70 / 50/0 05/5 05/5 0/5 0/5 0/5 55/5 55/5 0/50 0/50 50/5 50/5 50/5 50/5 60/5 60/5 /5 /5 05/0 05/0 0/50 55/50 /5 /5 /5 95/55 5/550 (7)() ()() () () () () () () () () (7)() (7)() ()() () () () ()() (9) (9) ()()(9) (9) (9) (9) (9) (9) 05 Delete cross-reference te throughout this table. (te has been deleted) llowable Stress Values See in Section but disregard the tes.

26 s/b "Mn-/Mo-/Ni" 0 STION I DIVISION 5 H-II-000- llowable Stress Values for erritic Steel lass omponents (ont'd) P-. Group. Product orm [te ()] Spec.. /Ni /Mo /r V Mn /Mo /Ni /Ni /Mo /r V r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo r /Mo r Mo r Mo orging orging org. pipe orging orging asting orging itting S-50 S-5 S-5 S-7 S- S-5 S-69 S-7 S- S-6 S-7 S- S- /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo 9r Mo 9r Mo 9r Mo Smls. Tube orging org. pipe Wld. pipe asting orging orging org. pipe S- S-5 S-6 S-69 S-7 S-69 S-7 S- S-6 S-7 S- S-5 S-69 minal omposition Specified Minimum Strengths, S y /S u Grade or Type lass ksi MPa tes T P P W6 WP, WPW T P P /R W9 T9 P9 P9 50/0 50/0 50/0 /55 /60 /60 /60 0/65 0/70 0/70 0/70 0/60 0/60 5/550 5/550 5/550 0/0 0/5 0/5 0/5 /50 /5 /5 /5 05/5 05/5 ()() (0)() (0)() 0/60 0/60 0/60 0/60 0/60 0/60 0/70 5/ 5/ 5/ 0/60 0/60 0/60 05/5 05/5 05/5 05/5 05/5 05/5 /5 0/55 0/55 0/55 05/5 05/5 05/5 (0) (0) (0) (0) (0) (0) ()()(0) (0) (0) ()(0) llowable Stress Values See in Section but disregard the tes. NOTS: () The following are the abbreviations used for Product orm: s/b "/ r" (a) Wld. Welded (b) Smls. Seamless s/b "/r" (c) org. orgings, orged () Statically and centrifugally cast products meeting the requirements of Division, N-57(a) and N-57(b), and cast pipe fittings, pumps, and valves with inlet piping connections of NPS (DN 50) and less shall receive a casting quality factor of.00. Other casting quality factors shall be in accordance with the following: Method of xamination (a) (b) (c) (d) (e) (f) Visual Magnetic Particle Liquid Penetrant Radiography Ultrasonic Magnetic Particle or Liquid Penetrant plus Ultrasonic or Radiography Delete "..." Quality actor Delete "orgings," Delete cross-reference te throughout this table. (te has been deleted) () () (7) rmalized and Tempered, only. rmalized and Tempered. or external pressure charts see Section. te no longer used. or service temperatures above 50 (5 ) for periods in excess of hr, it is recommended that killed steels containing not less than 0.0% silicon by heat analysis be used. Killed steels that have been deoxidized with large amounts of aluminum and rimmed steels may have creep and stress rupture properties, in the temperature range above 50 (5 ), which are somewhat less than those on which the values in the above are based. () If cumulative service times (i.e., sum of event times during the entire service life) are expected to exceed hr with concurrent temperatures above 00 (5 ), then the problems of corrosion and material transformation should be considered before selecting this alloy for the application. or example, the carbide phase of the carbon steel may be converted to graphite (graphitization). 06

27 0 STION I DIVISION 5 H-II-000- llowable Stress Values for erritic Steel lass omponents (ont'd) NOTS (ONT'D): (9) [te ()] above applies to this alloy, except that the range of temperatures of concern begins at (6 ) instead of 00 (5 ). (0) This material shall have a maximum specified room temperature ultimate strength of 5,000 psi (56 MPa) and a minimum specified carbon content of 0.07%. () The tensile requirements shall meet those for in Material Specification S-6 instead of those for in Specification S-. () The material allowed under S- shall correspond to one of the following: (a) S-5, Grade P (b) S-7, Grade, lass (c) S-, Grade in compliance with [te ()]. Info Only SI unites are being addresses in Record - o (o) should be on one line H-II-000- llowable Stress Values for lass olting minal omposition 5r /Mo r /5Mo r /5Mo r /5Mo r /Mo V r /Mo V r /Mo V r Ni 6r Ni Mo r 0Ni Ti 9r 9Ni Mo W 9r 9Ni Mo W 9r 9Ni Mo W 9r 9Ni Mo W 5Ni 5r Ti 5Ni 5r Ti 5Ni 9r 9e b Mo Spec.) Minimum Tempering Temperature, Diameter, ( ) in.,00 (595),00 (595) /,00 (595) / < t,00 (595) < t 7,00 (650) /,00 (650) / < t,00 (650) < t 7 Soln. ( 00 ) Soln. ( 00 ) Soln. ( 00 ),00 (650),00 (650) >,50 (70),50 (70) >,5 (),5 (),50 (60) 6 Spec.. Grade or Type lass Specified Minimum Strengths, S y /S u ksi MPa tes llowable Stress Values S-9 S-9 S-9 S-9 S-9 S-9 S-9 S /00 05/5 95/5 /00 05/5 95/0 5/00 550/6 /60 655/5 55/6 /60 655/760 55/6 05/55 () See in () Section Part () D, but disregard () the tes. () () () ()()() S-9 M 05/55 ()()() S-9 T 05/55 ()()() S-5 S-5 S-5 S-5 S-5 S-5 S /00 60/00 60/95 50/95 5/0 5/0 50/5 5/6 5/6 5/655 5/655 55/95 55/95 05/ () () () () () () Use H-II000- NOTS: () These values are established from a consideration of strength only and will be satisfactory for average service. or bolted joints, where freedom from leakage over a long period of time without retightening is required, lower stress values may be necessary as determined from the relative flexibility of the flanges and bolts and concomitant relaxation properties. () or temperatures above,000 (5 ), these stress values may be used only if the material is heat treated by heating it to a minimum temperature of,0 ( 00 ) and quenching in water or rapidly cooling by other means. () t temperatures above,000 (5 ), these stress values apply only when the carbon content is 0.0% or higher. () This material is solution-treated and precipitation-hardened. welding is permitted. dd a space before "" "t" s/b "D" (Diameter) dd a space before "7" lose up space after "" 07

28 0 STION I DIVISION 5 H-II-000- llowable Stress Values for ustenitic Steel lass omponents minal omposition Group P-.. Product orm [te ()] Spec.. r Ni r Ni asting orging S-5 S- r Ni orging S-5 r Ni orging S- r Ni S- r Ni S-0 r N S- r Ni S-76 r Ni ar S- r Ni Wld. tube S-9 r Ni Wld. pipe S- itting S-0 S/b "r-ni" r Ni N r Ni N r Ni N r Ni N r Ni N r Ni N 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo Wld. pipe Wld. pipe orging Wld. tube Wld. pipe ar itting itting asting orging S- S-0 S- S-76 S- S-5 S- S-0 S- S-9 S- S- S- S-0 S-0 S-5 S- 6r Ni Mo orging S-5 6r Ni Mo 6r Ni Mo asting orging S-5 S- 6r Ni Mo S- 6r Ni Mo S-0 6r Ni Mo Wld. tube S-9 6r Ni Mo Wld. pipe S- 6r Ni Mo S- Specified Minimum Strengths, S y /S u Grade or Type lass ksi MPa tes 0 0H 0 0H 0 0H TP0 TP0H 0 0H TP0 TP0H TP0 TP0H 0 0H TP0 TP0H TP0 TP0H WP0 WP0W WP0H WP0HW TP0N 0N TP0N TP0N TP0N 0N 6L 6L TP6L TP6L TP6L TP6L 6L WP6L WP6LW M 6 6H 6 6H M 6 6H TP6 TP6H 6 6H TP6 TP6H TP6 TP6H TP6 0/70 0/70 0/70 0/70 0/70 5/0 5/0 5/0 5/0 5/0 5/0 5/65 5/70 5/70 5/70 5/70 5/70 5/70 5/70 5/70 0/70 0/70 0/70 0/70 0/70 0/70 05/ 05/ 05/ 05/ 05/ 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 0/550 0/550 0/550 0/550 0/550 0/550 70/50 70/5 70/5 70/5 70/5 70/5 70/5 70/5 70/5 05/5 05/5 05/5 05/5 05/5 05/5 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 ()(7) (7)() (7)() (7)() (7)(9) (9) (7) (7) ()(7) () (7) (7)() (7)() () (7)() () (7)() ()(7)() () ()() (7) (7) (7) (7) ()(7)() ()(7)() () () () ()() ()(0) (7) (7)() (7)() ()(0) (7) (7) (7)() (7)() () (7)() () (7) llowable Stress Values [te ()] See in Section but disregard the tes. See in Section but disregard the tes. Delete0 cross-reference te throughout this table. (te has been deleted)

29 0 STION I DIVISION 5 H-II-000- llowable Stress Values for ustenitic Steel lass omponents (ont'd) minal omposition Group P-.. Product orm [te ()] Spec.. 6r Ni Mo S-76 6r Ni Mo ar S- 6r Ni Mo itting S-0 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N 6r Ni Mo N r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti Wld. pipe orging orging orging Wld. pipe itting S- S-0 S- S- S-76 S- S-5 S- S- S-0 S- S- S-76 S-0 r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti r 0Ni Ti ar orging orging Wld. pipe itting S- S- S- S- S-0 S- S- S-76 S-0 r 0Ni Ti ar S- Specified Minimum Strengths, S y /S u Grade or Type lass ksi MPa TP6H TP6 TP6H 6 6H WP6 WP6H WP6W WP6HW TP6N 6N TP6N TP6N TP6N TP TP TP TP WP WPW H H TPH H TPH TPH TPH WPH WPHW H 5/0 5/0 5/0 5/0 5/0 0/70 0/70 0/70 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 0/550 0/550 0/550 0/550 0/550 05/5 05/5 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/5 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 05/55 tes llowable Stress Values [te ()] (7) (7)() (7)()() () ()(7)()() ()() (7) (7) (7)() (7) (7) (7)(9) See (7)() in Section (7)(9) (7) but (7)() disregard (7)() the tes. (7) (7) (7)() ()(7)() (7)() (9) (9) () () ()() Delete (not used) NOTS: () The following are the abbreviations used for Product orm: (a) Wld. Welded Delete cross-reference te throughout this table. (b) Smls. Seamless (te has been deleted) (c) org. orgings, orged () t temperatures above 00 (0 ), the allowable stress values may exceed 6/% and may also reach % yield strength (0.% offset) at temperature. This may result in a permanent strain of as much as 0.%. When this amount of deformation is not acceptable, the designer shall reduce the design stress to obtain an acceptable deformation. Y- of Section Part D lists multiplying factors that, when applied to the yield strength values shown in s Y- and Y- of Section Part D will give an allowable stress that will result in lower levels of permanent strain. These stress values are not recommended for flanges of gasketed joints or other applications where slight amounts of distortion can cause leakage or malfunction. () These S values do not include a weld efficiency factor. or materials welded without filler metal, ultrasonic examination in accordance with Division, N-550 or eddy current examination in accordance with Division, N-550 shall provide a longitudinal weld efficiency factor of.00. Materials (welded with filler metal) meeting the requirements of Division, N-560 shall receive a weld efficiency factor of.00. Other weld efficiency factors shall be in accordance with the following: Type of Joint fficiency actor Single utt Weld utt, without iller Material Double utt Weld Single or Double utt Weld with Radiography Delete Delete "and Y-" 09

30 0 STION I DIVISION 5 Delete H-II-000- llowable Stress Values for ustenitic Steel lass omponents (ont'd) NOTS (ONT'D): () or lass, these S values do not include a casting quality factor. Statically and centrifugally cast products meeting the requirements of Division, N-570 shall receive a casting quality factor of.00. Statically and centrifugally cast products meeting the requirements of Division, N-57(a) and Division, N-57(b) and cast pipe, fittings, pumps, and valves with inlet piping connections of NPS (DN 50) and less, shall receive a casting quality factor of.00. Other casting quality factors shall be in accordance with the following: Method of xamination Quality actor (a) Visual (b) Magnetic Particle (c) Liquid Penetrant (d) Radiography (e) Ultrasonic (f) Magnetic Particle or Liquid Penetrant plus Ultrasonic or Radiography (7) () or external pressure chart references, see Section or Division, ig. N-.- as applicable. te no longer used. t temperatures above,000 (5 ), these stress values apply only when the carbon content is 0.0% or higher. or temperatures above,000 (5 ), these stress values apply only if the material has been heat treated by heating it to a minimum temperature of,0 ( 00 ) and quenching in water or rapidly cooling by other means. (9) 5 in. (5 mm) and under. (0) t temperatures above 00 (5 ) these stress values apply only when the carbon content is 0.0% or higher. () Stress values in Section VI Division already apply the weld factors required by [te ()]. () When stress values are not listed under this S specification in Section then the values for other specifications in the material grouping (i.e., same alloy, same tensile property requirements at room temperature) may be used. keep as is "in" should be changed to "for" 0

31 0 STION I DIVISION 5 H-II-000- llowable Stress Values for High-Nickel lloy lass omponents minal omposition P-. Group Product orm Grade or. [te ()] Spec.. Type Ni e r Ni e r 5 5 Ni e r Ni e r Ni e r Ni e r Ni e r Ni e r Ni e r Ni e r 7Ni 5r-e 7Ni 5r-e 7Ni 5r-e Ni 5r-e 7Ni 5r-e 7Ni 5r-e 7Ni 5r-e 7Ni-r-9Mo-e 7Ni-r-9Mo-e Smls. Pipe & tube orging ar Smls. Pipe & tube ar orging ar Smls. Pipe & tube orging Smls. Pipe & tube Smls. Pipe & tube, sheet strip ar Specified Minimum Strengths, S y /S u lass ksi MPa tes S-6 S-07 00H 00H 5/65 5/65 70/50 70/50 ()()() ()()() S-56 S-0 S-09 S-6 S-07 00H 00H 00H /65 5/65 5/65 70/50 70/50 70/50 05/55 05/55 ()()() ()()() ()()() ()()(9) ()()(9) S-0 S-09 S-56 S-6 S-66 S /0 5/0 5/0 05/55 05/55 05/55 0/550 0/550 0/550 ()()(9) ()()(9) ()()(9) ()()(9) ()()(9) ()()(7)(0) S-6 S-56 S /0 5/0 5/ 0/550 0/550 70/55 ()()(9) ()() ()()() S /0 05/550 ()()(7) S-5 X 5/95 0/655 S-57 X 5/95 0/655 llowable Stress Values See in Section but disregard the tes. change to: NOTS: () The following are the abbreviations used for Product orm: (a) Smls. - Seamless (a) Wld. Welded (delete Wld.-Welded and (b) Smls. Seamless. (c) org. orgings, orged org. - orgings, orged) () Due to the relatively low yield strength of these materials, these higher stress values were established, at temperatures where the short-time tensile properties govern, to permit the use of these alloys where slightly greater deformation is acceptable. These higher stress values exceed 66/%, but not %, of the yield strength at temperature. Use of these stresses may result in dimensional changes due to permanent strain. These stress values are not recommended for the flanges of gasket joints or other applications where a slight amount of distortion can cause leakage or malfunction. () These materials shall have a total aluminum-plus-titanium content of at least 0.50% and shall have been heat treated at a temperature of,050 ( 0 ) or higher. () or external pressure charts, see Section. Solution treated/annealed. Hot finished/annealed. (7) 5 in. (5 mm) nominal diameter and less. () minal diameter > 5 in. (5 mm) (9) nnealed. (0) old drawn/annealed.

32 0 STION I DIVISION 5 H-II Reduction actors to e pplied to Parent Metal llowable Stresses for 0 SS Weldments Temperature Weld Metal ( ) S-5., 0T & 0LT S-5., 0 & 0L S-5.9, R 0 & R 0L ,000,050,00,50,00,50,00,50,00 (5) () (50) (566) (59) (69) (677) (70) (7) (760) S-5. XXXT-G (6--) S , S-5.9 R 6-- S-5. 6T & 6LT-,, S-5. 6 & 6L S-5.9 R 6 & R 6L Delete H-II Reduction actors to e pplied to Parent Metal llowable Stresses for 6 SS Weldments Temperature Weld Metal ( ) S-5., 0T & 0LT S-5., 0 & 0L S-5.9, R 0 & R 0L ,000,050,00,50,00,50,00,50,00 (5) () (50) (566) (59) (69) (677) (70) (7) (760) S-5. XXXT-G (6--) S , S-5.9 R 6-- S-5. 6T & 6LT- and S-5. 6 & 6L S-5.9 R 6 & R 6L H-II Reduction actors to e pplied to Parent Metal llowable Stresses for lloy 00H Weldments Temperature Weld Metal ( ) S-5., Nire- (INO ) S-5. RNir- (INO ) ,000,050,00,50,00 (5) () (50) (566) (59) (69)

33 0 STION I DIVISION 5 (d) Translate the stress components for the t, l, and r directions into principal stresses, σ, σ, and σ. (In many pressure component calculations, the t, l, and r directions may be so chosen that the shearing stress components are zero and σ, σ, and σ are identical to σ t, σ l, and σ r.) (e) alculate the stress differences S, S, and S from the relations: temperatures by using the same criteria. s described in Division, NH-60(d), it may be necessary to adjust the values of S m to account for the effects of long-time service at elevated temperature. S m t = the allowable limit of primary membrane stress intensity to be used as a reference for stress calculations for the actual service life and under the Level and Service Loadings; the allowable values are shown in igs. NH-I-. through NH-I-. and in s NH-I-. through NH-I-. of Division, Subsection NH. The S m t values are the lower of two stress intensity values, S m (timeindependent) and S t (time-dependent). s described in Division, NH-60(d), it may be necessary to adjust the values of S m t to account for the effects of long-time service at elevated temperature. S o = the maximum allowable value of general primary membrane stress intensity to be used as a reference for stress calculations under Design Loadings. The allowable values are given in NH-I-. of Division, Subsection NH. [The values correspond to the S values given in Section,, except for a few cases at lower temperatures where values of S m t (defined below and given in s NH-I-. through NH-I-. of Division, Subsection NH) at 00,000 hr exceed the S values. In those limited cases, S o is equal to S m t at 00,000 hr rather than S.] S t = a temperature and time-dependent stress intensity limit; the data considered in establishing these values are obtained from long-term, constant load, uniaxial tests. or each specific time, t, the S t values shall be the lesser of: (a) 00% of the average stress required to obtain a total (elastic, plastic, primary, and secondary creep) strain of %; (b) 0% of the minimum stress to cause initiation of tertiary creep; and (c) 67% of the minimum stress to cause rupture. The stress intensity, S, is the largest absolute value of S, S, and S. HG-6 Derivation of Stress Differences and Strain Differences The ability of the component to withstand the specified cyclic operation without creep-fatigue failure shall be determined as in HG-50. The evaluation shall demonstrate, by evaluating the stresses and strains at selected points of the components, that the combined creep-fatigue damage is everywhere within design limits. Only the stress and strain differences due to the operational cycles as specified in the Design Specifications need be considered. HG-7 lassification of Stresses HG-7- provides assistance in the determination of the category to which a stress shall be assigned. or portions of the component not exposed to elevated temperature service, the classification or category may be selected as in Division, rticle NG-000. HG-0 HG- DSIGN RULS ND LIMITS OR LOD-ONTROLLD STRSSS IN STRUTURS OTHR THN THRDD STRUTURL STNRS General Requirements (a) The rules for design against failure from loadcontrolled stresses are illustrated in Division, ig. NH-- (with P L replaced with P m ) and are explained in HG-0. The allowable stress intensity values used in HG-0 are listed in s and of Section Part D, and in the tables of Mandatory ppendix NH-I- of Division, Subsection NH. te that the strain, deformation, and fatigue limits of HG-50 require analyses beyond those required by the rules of HG-0. (b) The stress intensity limits used in Division, ig. NH-- (with P L replaced with P m ) and throughout this are defined for base metal and at weldments as follows: () ase Metal () Weldments S m t = the allowable limit of primary membrane stress intensity, and shall be taken as the lower of the S m t values from s NH-I-. through NH-I-. of Division, Subsection NH or: s described in Division, NH-60(d), it may be necessary to adjust the values of S m t to account for the effects of long-time service at elevated temperature. S m = the lowest stress intensity value at a given temperature among the time-independent strength quantities that are defined in Section as criteria for determining S m ; in this, the S m values are extended to elevated 0 lose up space after "0."

34 This table should be fixed to correct point size and line breaks 0 STION I DIVISION 5 HG-7- lassification of Stress Intensity for Some Typical ases Discontinuity ore Support Structure ylindrical or spherical shell ny shell or head Dished head or conical lat head Perforated head or shell zzle ladding Location Origin of Stress Type of Stress lassification Gross Local Pm Q Q [te ()] Q P m [te ] Q [te ] Shell plate remote from discontinuities Pressure difference Junction with head or flange Pressure difference ny section across entire shell xternal load or moment, or pressure difference Membrane averaged across full section. Stress component perpendicular to cross section Pm xternal load or moment ending across full section. Stress component perpendicular to cross section Pm Near nozzle or other opening xternal load or moment, or pressure difference Membrane ending Peak (fillet or corner) P m [te ] Q ny location Temp. difference between shell and head Membrane ending Q [te ()] Q rown Pressure difference Knuckle or junction to shell Pressure difference Membrane ending Membrane ending enter region Pressure difference Pm Pb [te (), ] Q Pm Pb Junction to shell Pressure difference Typical ligament in a uniform pattern Pressure difference or external load Pm Pb Isolated or atypical ligament Pressure difference Q ross section perpendicular to nozzle axis Pressure difference Membrane average across full or external load or section. Stress component moment perpendicular to section. Pm zzle wall Pressure difference ny Differential expansion ny Differential expansion Pm P m [te ] Q Q [te ()] Q xial thermal gradient MembraneGradient through plate thickness Membrane ending Membrane ending Membrane ending Membrane ending Membrane (average through cross section) ending (average through width of ligament, but gradient through plate) Peak Membrane ending Peak Membrane Membrane ending Peak Membrane ending Peak Membrane ending Pm P m [te ] Q [te ]

35 This table should be fixed to correct point size and line breaks 0 STION I DIVISION 5 HG-7- lassification of Stress Intensity for Some Typical ases (ont'd) Discontinuity ore Support Structure ny ny Location ny ny Origin of Stress Type of Stress lassification Gross Local Radial thermal gradient through plate thickness [te ()] Stress due to equivalent bending portion Q [te ()] ny Stress concentration (notch effect) Stress due to nonlinear portion NOTS: () onsideration must also be given to the possibility of wrinkling and excessive deformation in shells with large diameter-to-thickness ratio. () onsider possibility of thermal stress ratchet. () quivalent linear stress is defined as the linear stress distribution that has the same net bending moment as the actual stress distribution. () These classifications may be modified for purposes of certain criteria in nmandatory ppendix NH-T of Division, Subsection NH (as referenced from Mandatory ppendix HG-I). If the bending moment at the edge is required to maintain the bending stress in the middle to acceptable limits, the edge bending is classified as P b. Otherwise, it is classified as Q. This membrane stress is classified as Q in Division, NG-7-. lose up space after "0." "r" s/b subscript S t = temperature and time-dependent stress intesity limit at a weldment, and shall be taken as the lower of the tabulated S t values from s NH-I-. through NH-I-. of Division, Subsection NH or: (c) xternal pressure and other compression inducing loadings shall be investigated for adequate buckling strength, using the limits of HG-50. HG- The stress calculations required for the analysis of Levels and Service Loadings ( HG-. and HG-.) are based on a linear elastic material model. The calculated stress intensity values shall satisfy the conditions of (a) through (f) below. (a) The primary membrane stress intensity, derived from P m for Levels and Service Loadings, shall not exceed S m t. R = is the appropriate ratio of the weld metal creep rupture strength to the base metal creep rupture strength from s NH-I-.0 through NH-I-.0 of Division, Subsection NH. The lowest S t value of the adjacent base metals shall be utilized for the weldment S r = the expected minimum stress-to-rupture strength given in s NH-I-.6 through NH-I-.6 of Division, Subsection NH HG- ðþ Design Limits where The stress calculations required for the analysis of Design Loadings (HG-.) shall be based on a linearly elastic material model. The calculated stress intensity values shall satisfy the limits of (a) and (b) below. italicize subscripts "mt" S m t = is determined for the time, t, corresponding to the total duration of the particular loading during the entire service life, and for temperature, T, corresponding to the maximum wall-averaged temperature that occurs during the particular loading event (a) The general primary membrane stress intensity, derived from P m, shall not exceed S o 5 lose up space Level and Service Limits two places need to be like (b) When time, t [in (a) above], is less than the total specified service life of the component, the cumulative effect of all the loadings shall be evaluated by the use-fraction sum in HG-(b). In addition, it is permissible and often advantageous to subdivide a loading history into several load levels and into several temperatures at any given load level. (c) The combined primary membrane plus bending stress intensities, derived from P m and P b for Level and Service Loadings, shall satisfy the following limits with ðþ (b) The combined primary membrane plus bending stress intensity, derived from P m and P b, shall not exceed.5 S o : ðþ The left-hand side of eq. () does not represent a simple algebraic combination since P m and P b may each represent as many as six quantities [HG-5(b)]. lose up spaces between P and subscripts

36 0 STION I DIVISION 5 in igure HG--. te that it is permissible to extrapolate the allowable stress intensity at temperature curve (igs. NH-I-. through NH-I-. and igs. NH-I-. through NH-I-. of Division, Subsection NH) to determine time value (t i b ) when computing usefractions. ny such extrapolation and the method used shall be reported in the Design Report (Divisions and, N-55.). HG-5 igure HG-- Use-ractions for Membrane Plus ending Stress Level D Service Limits The rules of this paragraph may be used in the evaluation of components subjected to loads specified as Level D Service Loadings. (a) The rules in HG-5 (and in Section III ppendices, nmandatory ppendix ) shall be applied in all instances unless alternative or supplementary criteria, as required by public health safety considerations for specific components or systems, are defined in, and made applicable by the Owner s Design Specifications [Divisions the weld metal creep fatigue strength to the base metal and, N-50]. The type of analysis (elastic or inelasstrength from s NH-I-.0 through NH-I-.0 tic) used by the system designer shall be indicated in the of Division, Subsection NH. Design Specifications (see Section III ppendices, n(c) In addition, the use-fraction sum associated with the mandatory ppendix, -.). primary membrane stresses that arise from all Service (b) The primary membrane stress intensity, derived Loadings, shall satisfy the requirement: from P m for the Level D Service Loadings, shall not exceed the smaller of 0.67 S r, 0. S r R, and one of the Level D Service Limits in Section III ppendices, nmandatory p- close up spaces pendix. before "S" where ðþ s/b roman r = use-fraction factor and is equal to.0 (or less if so specified in the Design Specifications [Divisions and, N-50]) t i = the total duration of a specific loading, P m i, at elevated temperature, T i, during the entire service life where S r is the expected minimum stress-to-rupture in time t taken from igs. NH-I-.6 through NH-I-.6 of Division, Subsection NH and R is the appropriate ratio of of the component. te that igure HG-- Use-ractions for Membrane Stress tir is that part of the component service life at elevated temperatures (i.e., temperatures above values governed by the rules of Division, Subsection NG, as explained in HG-). = maximum allowed time under the load stress intensity.5 P m i for base metal or weldments, the higher of.5 P m i or (.5/R) P m i. The allowable time under load is determined from the graph of minimum stress-to-rupture vs. time (see igs. NH-I-.6 through NH-I-.6 of Division, Subsection NH). The use of igs. NH-I-.6 through NH-I-.6 of Division, Subsection NH for determining t i r for two loading conditions at two different temperatures is shown schematically in igure HG--. In igure HG--,.5 P m i (i =,,, etc.) represents.5 times the calculated membrane stress intensity for the loading condition and temperature in question; and T i represents the maximum local wall-averaged temperature during t i. te that it close up spaces before "P"

37 s/b italicized 0 STION I DIVISION 5 HG-7. earing Loads. (a) The average bearing stress for resistance to crushing under the maximum load, experienced as a result of load categories other than Level D Service Loading, shall be considered. The average bearing stress for Service Levels,, and shall be limited to the lesser of the following: () the tabulated yield strength at the Service Temperature; or () the stress at 0.% offset strain as obtained from the isochronous stress strain curve for the temperature of service and for the time duration equal to the total service life the component is expected to spend at temperatures greater than those listed in the tables of Mandatory ppendix NH-I- of Division, Subsection NH. (b) or clad surfaces, the properties of the base metal may be used if, when calculating the bearing stress, the bearing area is taken as the lesser of the actual contact area or the area of the base metal supporting the contact surface. (c) When bearing loads are applied near free edges, such as at a protruding edge, the possibility of a shear failure shall be considered. The average shear stress shall be limited to 0.6 S m t in the case of load-controlled stresses. or clad surfaces, if the configuration or thickness is such that a shear failure could occur entirely within the clad material, the allowable shear stress for the cladding shall be determined from the properties of the equivalent wrought material. If the configuration is such that a shear failure could occur across a path that is partially base metal and partially clad material, the allowable shear stresses for each material shall be used when evaluating the combined resistance to this type of failure. close up spaces may be desirable to consider that a given stress intensity acts during several time periods, t i, in order to take credit for the variation of temperature with time. (d) The combined primary membrane plus bending stress intensities, derived from P m and P b, shall satisfy the following limits, with, and Level D Service Limits in Section III ppendices, nmandatory ppendix for. where K t is defined in HG-(c). (e) In addition, the sum of the use-fractions associated with the primary membrane plus bending stresses that arise from all Service Loadings, shall not exceed the value of.00. close up spaces before "(Pm..." close up space after ".5" and move to next line where t i is the total duration of loading at temperature, T i, and t i b r is the time value determined by entering igs. NH-I-.6 through NH-I-.6 of Division, Subsection NH at a value of stress equal to.5 for base metal or the higher of.5 or.5 for weldments as shown in igure HG--. or the purpose of Section III ppendices, nmandatory ppendix calculations, the yield strength and tensile strength values shall be defined as follows: () Yield strength values shall be the product of the value shown in NH-I-.5 of Division, Subsection NH and the strength reduction factor shown in s NH-5- and NH-5- of Division. () Tensile strength values shall be the product of the value shown in Division, NH-5- and the strength reduction factor shown in Division, s NH-5- and NH-5-, where the strength reduction factor is selected as a function of the accumulated time-temperature history to which the component has been exposed prior to the event under analysis. Where a component has been exposed to a varying temperature history, the reduction factor employed shall be determined by assuming that the component has operated at the maximum temperature throughout its prior operational life (exclusive of Level D Service onditions.) HG-7 close up spaces before "S" HG-7. Pure Shear. before "S" (a) The average primary shear stress across a section loaded in pure shear (for example, keys, shear rings), experienced as a result of any loading categories other than Level D Service Loadings, shall be limited to 0.6S m t. (b) The maximum primary shear stress, experienced as a result of any loading categories other than Level D Service Loadings, exclusive of stress concentration at the periphery of a solid circular section in torsion, shall be limited to 0.S m t. HG-7. Progressive Distortion of nintegral onnections. Screwed-on caps, screwed-in plugs, shearring closures, and breech-lock closures are examples of nonintegral connections that are subject to failure by bellmouthing or other types of progressive deformation. If any combination of applied loads produces yielding, such joints are subject to ratcheting because the mating members may become loose at the end of each complete operational cycle and start the next cycle in a new relationship with each other, with or without manual manipulation. dditional distortion may occur in each cycle so that inter- Special Stress Limits The following deviations from the basic stress limits are provided to cover special operating conditions or configurations. Some of these deviations are more restrictive and some are less restrictive than the basic stress limits. In cases of conflict between these requirements and the basic stress limits, the rules of HG-7 take precedence for the particular situations to which they apply. 5

38 hange to read pplicable Line in ig. H-IV-000- HG-II-- Design Stress Intensity Values, S m, for erritic Steels at levated Temperatures in ore Support Structure pplications U.S. ustomary Units, ksi minal omposition Group. Product orm Spec.. Grade or Type lass orgings Wld. pipe orgings org. pipe orgings ittings Wld. fittings ast pipe S- S-7 S-69 S- S-5 S-6 S-69 S- S- S- S-7 S-6 /R T P P WP WP P /W 0/70 5/ 0/60 0/60 0/60 0/60 0/60 0/60 0/60 0/60 0/60 0/70 5 s/b "/Mo" tes pplicable Mandatory ppendix HG-IV Line ,000,050,00 () () () () () () ()() ()() () () Stress Values in ksi for Metal Temperatures,, t to xceed 0 STION I DIVISION 5 /r Mo Si /r /Mo Si /r Mo / r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo P-. Minimum Strengths, S y /S u, ksi

39 hange to read pplicable Line in ig. H-IV-000- HG-II-- Design Stress Intensity Values, S m, for erritic Steels at levated Temperatures in ore Support Structure pplications (ont'd) SI Units, MPa minal omposition Group. Product orm orgings Wld. Pipe Smls. Tube Smls. Pipe orgings org. Pipe orgings ittings Wld. fittings ast pipe Spec.. Grade or Type lass S- S-7 S-69 S- S-5 S-6 S-69 S- S- S- S-7 S-6 /R T P P WP WP P /W /5 0/55 05/5 05/5 05/5 05/5 05/5 05/5 05/5 05/5 05/5 /5 tes pplicable Mandatory ppendix HG-IV Line () () () () () () ()() ()() () () Stress Values in MPa for Metal Temperatures,, t to xceed GNRL NOTS: (a) t applicable for threaded structural fasteners. (b) The following are the abbreviations used for Product orm: () Wld. Welded () org. orged () Smls. Seamless NOTS: s/b "/Mo" () The material allowed under S- shall correspond to one of the following: (a) S-5, Grade P (b) S-7, Grade, lass (c) S-, Grade, lass () This material shall have a minimum specified room temperature yield strength of 0,000 psi (05 MPa), a minimum specified room temperature ultimate strength of 60,000 psi (5 MPa), a maximum specified room temperature ultimate tensile strength of 5,000 psi (55 MPa), and a minimum specified carbon content of 0.07%. () This material shall have a maximum specified room temperature ultimate tensile strength of 5,000 psi (55 MPa). 0 STION I DIVISION 5 /r Mo Si /r /Mo Si /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo P-. Minimum Strengths, S y /S u, MPa

40 hange to read pplicable Line in ig. H-IV-000- HG-II-- Design Stress Intensity Values, S m, for erritic Steels at levated Temperatures in Threaded Structural astener pplications U.S. ustomary Units, ksi minal omposition S-50 S-50 S-50 S-50 S-50 S-9 S-9 S-9 S lass Minimum Tempering Temperature, Size / Thickness, in ,00,00,00 <t 6 6 / / < t t 7 00/5 0/55 0/5 0/5 05/0 05/5 95/0 5/00 0/60 5 s/b "r" - delete "/" tes pplicable Mandatory ppendix HG-IV Line () () () () () () s/b "<" Stress Values in ksi for Metal Temperatures,, t to xceed ,000,050, STION I DIVISION 5 /r /Mo V /r /Mo V /r /Mo V /r /Mo V /r /Mo V /r /Mo V /r /Mo V /r /Mo V /r Mo Spec.. Grade or Type Specified Minimum Strengths, S y /S u, ksi

41 loses up (r-/mo-v) HG-II-- Design Stress Intensity Values, S m, for erritic Steels at levated Temperatures in Threaded Structural astener pplications (ont'd) SI Units, MPa minal omposition S-50 S-50 S-50 S-50 S-50 S-9 S-9 S-9 S-6 Grade or Type lass Size / Thickness, mm Specified Minimum Strengths, S y /S u, MPa 50 < t < < t < t 6/5 5/070 95/000 5/ /5 /60 655/760 55/6 05/5 tes pplicable Mandatory ppendix HG-IV Line () () () () () () Stress Values in MPa for Metal Temperatures,, t to xceed 5 NOTS: () These stress values may result in relaxation of the threaded structural fastener materials after prolonged service at temperature. The designer shall investigate the effect of this relaxation upon the application. () This material shall have a minimum carbon content of 0.07%. hange to read S/b pplicable Line in ig. H-IV-000- /r-mo S/b " " S/b " < " 0 STION I DIVISION 5 r / Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V /r Mo Spec.. Minimum Tempering Temperature,

42 hange to read pplicable Line in ig. H-IV-000- HG-II-- Design Stress Intensity Values, S m, for ustenitic and High Nickel lloys at levated Temperatures in ore Support Structure pplications U.S. ustomary Units, ksi Spec.. minal omposition P-. Gr.. r Ni r Ni r Ni r Ni r Ni S-5 S-76 S-0 S-0 r Ni r Ni r Ni r Ni S- S-5 Type 6SS S- S- S-0 S-9 S- r Ni r Ni [te ()] 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo S-5 S-76 S-0 S-0 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo S- S-5 lloy 00H S-6 S-07 6r Ni Mo 6r Ni Mo e Ni r e Ni r 5 5 Type/Grade/lass/ ondition tes Design Stress Intensity Values in ksi for Temperature, S y, Su, ksi ksi ,000,050,00,50,00 ()()() ()() ()() ()() ()() H- H- H- H- H & 0H/ TP0 & TP0H 0 & 0H 0 & 0H/WP-W ()() ()() ()() ()() H- H- H- H & 0H 0 & 0H ()() ()() H- H ()()() ()() ()() ()() ()() H- H- H- H- H & 6H/ TP6 & TP6H 6 & 6H 6 & 6H/WP-W ()() ()() ()() ()() H- H- H- H & 6H 6 & 6H ()() ()() H- H () () G G NN-9 NN orgings Seamless tube Welded tube Welded & seamless pipe Welded pipe Seamless pipe ittings Welded ittings ar orgings 0 & 0H TP0 & TP0H 0 & 0H TP0 & TP0H TP0 & TP0H orgings Seamless tube Welded tube Welded & seamless pipe Welded pipe Seamless pipe ittings Welded ittings ar orgings 6 & 6H TP6 & TP6H 6 & 6H TP6 & TP6H TP6 & TP6H Seamless tube nnealed Seamless pipe nnealed & tube 0 STION I DIVISION 5 55 Type 0SS S- S- S-0 S-9 S- Product orm Mandatory xt. ppendix Press. HG-IV Line hart Minimum Values at Room Temperature

43 hange to read pplicable Line in ig. H-IV-000- HG-II-- Design Stress Intensity Values, S m, for ustenitic and High Nickel lloys at levated Temperatures in Threaded Structural astener pplications U.S. ustomary Units, ksi minal omposition Spec.. tes 0 & 0H 0 & 0H 0 & 0H ()()() ()()() ()()() ()()() orgings olting ar orgings 6 & 6H M 6 & 6H 6 & 6H ar nnealed Product orm orgings olting ar orgings e Ni r 5 59 [te ()] r Ni r Ni r Ni r Ni [te ()] 6r Ni Mo 6r Ni Mo 6r Ni Mo 6r Ni Mo Type/Grade/lass/ ondition Minimum Values at Room Temperature Design Stress Intensity Values in ksi for Temperature, S y, ksi S u, ksi ,000,050,00,50, ()()() ()()() ()()() ()()() () G SI Units, MPa Spec.. minal omposition Type 0SS [te ()] S- r Ni S-9 r Ni S- r Ni S-5 r Ni Type 6SS [te ()] S- 6r Ni Mo S-9 6r Ni Mo S- 6r Ni Mo S-5 6r Ni Mo lloy 00H S-0 e Ni r P-. Gr.. Product orm Type/Grade/lass/ ondition tes Minimum Values at Room Mandatory Temperature ppendix HG-IV Line S y, MPa S u, MPa Design Stress Intensity Values in MPa for Temperature, orgings olting ar orgings 0 & 0H 0 & 0H 0 & 0H ()()() ()()() ()()() ()()() orgings olting ar orgings 6 & 6H M 6 & 6H 6 & 6H ()()() ()()() ()()() ()()() ar nnealed () G GNRL NOTS: (a) pplies only to threaded structural fasteners. (b) or deformation-sensitive structures, see HG STION I DIVISION 5 Type 0SS S- S-9 S- S-5 Type 6SS S- S-9 S- S-5 lloy 00H S-0 P-. Gr.. Mandatory ppendix HG-IV Line

44 hange to read 0 STION I DIVISION 5 fatigue curves used in conjunction with Division, Subsection NG, NG-. are those of Section III ppendices, Mandatory ppendix I, igs. I-9. through I-9.7 (and the extended fatigue curves from s HG-II-.- through HG-II-.-). The design stress intensity values in s and of Section may be extended to elevated temperatures using the values in s HG-II-- and HG-II-- of this ppendix, provided the time-temperature requirements of Mandatory ppendix HG-IV are satisfied, and the materials of construction meet the requirements of the specifications given in s HG-II-- and HG-II-- of this ppendix. The yield strength values of Y- of Section may be extended to elevated temperatures using the values in s HG-II-9- and HG-II-9- of this ppendix. In evaluating the functional adequacy of the core support structure, the N ertificate Holder shall account for the plastic strain that is associated with the S m limits for materials to which te () of HG-II-- applies. or elevated temperature applications, the extended elevated temperature S u values are obtained from s HG-II-9- and HG-II-9-6 of this ppendix. other governing material properties of the actual part and the tested parts, to assure that the loads obtained from the test are a conservative representation of the load carrying capability of the actual structure under postulated Service Loadings for which Level Limits are designated. HG-II- HG-II-. Simplified lastic Plastic nalysis. The S m limit on the range of primary plus secondary stress intensity (Division, NG-.) may be exceeded, provided that the requirements of (a) through (e) below are met. (a) The range of primary plus secondary membrane plus bending stress intensity, excluding thermal bending stresses, shall be S m. (b) The value of S a used for entering the design fatigue curve is multiplied by the factor K e where S n = range of primary plus secondary stress intensity The values of the material parameters m and n for the various classes of permitted materials are as follows: Material ondition Mandatory ppendix HG-IV Line m /r /Mo Si r Ni Solution Treated r Ni Mo Solution Treated.7 0. G.7 0. e Ni r (lloy 00H) HG-II-0 HG-II- (c) The rest of the fatigue evaluation stays the same as required in HG-II-. of this ppendix, except that the procedure of Division, NG-7.6 need not be used. (d) The structure meets the thermal ratcheting requirement of Division, NG-.5. (e) The material shall have a specified minimum yield strength to specified minimum tensile strength ratio of less than 0.0. ðþ HG-II-9 Design onditions (a) The rules of this paragraph apply to mechanical connections joining parts in core support structures located within a pressure retaining boundary. Devices that are used to assemble structural elements of core support structures are referred to as threaded structural fasteners. The design stress intensity values S m and yield strength values S y for threaded structural fasteners shall be the values given in s and, Section and in Y-, Section, respectively. s and and Y- of Section Part D, shall be extended to elevated temperatures using s HG-II--, HG-II--, HG-II-9-, and HG-II-9- of this ppendix when the material meets the requirements of the specifications in s HG-II-- and HG-II--; and, in addition, the requirements of Mandatory ppendix HG-IV are satisfied. or elevated temperature applications, the extended elevated temperature S u values are obtained from s HG-II-9-5 and HG-II-9-6 of this ppendix. (b) The special stress limits of Division, NG-7 do not apply to threaded structural fasteners. or connections joining parts of pressure retaining boundaries, see Division, N-0. (c) In evaluating the functional adequacy of threaded structural fasteners, the N ertificate Holder shall account for the plastic strain that is associated with the S m limits for materials to which te () of HG-II-- applies. n /r Mo pplicable Line in ig. H-IV-000- Design Stress Values The design stress intensity values S m are given in s and, Section for core support structure material. Values for intermediate temperatures may be found by interpolation. These form the basis for the various stress limits. Values of yield strength are given in Y-, Section. Values of the coefficient of thermal expansion are in T, Section, and values of the modulus of elasticity are in TM, Section. The basis for establishing stress intensity values is given in Section Mandatory ppendix. The design 65

45 This table should begin at the top of the next page where it will fit in its entirety

46 INORMTION ONLY

47 0 STION I DIVISION 5 HG-II-.- Design atigue Limits for /r Mo Steel U.S. ustomary Units S/b " x 0 " S a, llowable Stress mplitude, ksi N d, Number of ycles [te ()] 00 0 Through, SI Units N d, Number of ycles [te ()] S a, llowable Stress mplitude, MPa 5 0 Through GNRL NOT: = 6 06 psi (7 x 0 MPa) NOT: () ycle strain rate: 0- in./in./sec (m/m/s). 69

48 HG-II-9- Yield Strength Values, S y, for erritic Steels at levated Temperatures in ore Support Structure pplications U.S. ustomary Units, ksi Temperature, Material Gr.. Product orm Spec.. orgings Wld. P. Smls. T. Smls. P. orgings org. P. orgings ittings Wld.. ast. P. S- S-7 S-69 S- S-5 S-6 S-69 S- S- S- S-7 S-6 Type lass RT S y /S u, ksi /R T P P WP WP P /W 0/70 5/ 0/60 0/60 0/60 0/60 0/60 0/60 0/60 0/60 0/60 0/ ,000 Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) Y- of Section ) 70 S/b " /Mo " lose up space before "r",050, STION I DIVISION 5 /r Mo Si /r Mo Si /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo / r Mo /r Mo /r Mo P-.

49 S/b " /Mo " HG-II-9- Yield Strength Values, S y, for erritic Steels at levated Temperatures in ore Support Structure pplications (ont'd) SI Units, MPa Temperature, Material P-. Gr.. orgings Wld. P. Smls. T. Smls. P. orgings org. P. orgings ittings Wld.. ast. P. Spec.. Type S- S-7 S-69 S- S-5 S-6 S-69 S- S- S- S-7 S-6 /R T P P WP WP P lass RT S y /S u, MPa 00 /W /5 0/55 05/5 05/5 05/5 05/5 05/5 05/5 05/5 05/5 05/5 /5 5 Y- Y- Y- Y- Y- Y- Y- Y- Y- Y- Y- Y- 50 of Section of Section of Section of Section of Section of Section of Section of Section of Section of Section of Section of Section ) ) ) ) ) ) ) ) ) ) ) ) GNRL NOTS: (a) The tabulated values of tensile strength and yield strength are those that the ommittee believes are suitable for use in design calculations required by this ppendix. t temperatures above room temperature, the values of tensile strength tend toward an average or expected value that may be as much as 0% above the tensile strength adjusted to the minimum specified room temperature strength. t temperatures above room temperature, the yield strength values correspond to the yield strength trend curve adjusted to the minimum specified room temperature yield strength. Neither the tensile strength nor the yield strength values correspond exactly to either average or minimum, as these terms are applied to a statistical treatment of a homogeneous set of data. Neither the SM Material Specifications nor the rules of this ppendix require elevated temperature testing for tensile or yield strengths of production material for use in ode components. It is not intended that the results of such tests, if performed, be compared with these tabulated tensile and yield strength values for SM ode acceptance/rejection purposes for materials. If some elevated temperature test results on production material appear lower than the tabulated values by a large amount (more than the typical variability of material and suggesting the possibility of some error), further investigation by retest or other means shall be considered. (b) The following are the abbreviations used for Product orm: () Wld. P Welded Pipe () org. P. orged Pipe () ast P. ast Pipe () Smls. P. Seamless Pipe Smls. T. Seamless Tube Wld.. Welded itting 0 STION I DIVISION 5 /r Mo Si /r Mo Si /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo Product orm

50 HG-II-9- Yield Strength Values, S y, for erritic Steels at levated Temperatures in Threaded Structural astener pplications U.S. ustomary Units, ksi Temperature, Material r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r Mo V /r Mo tes Type lass S-9 S-9 S-9 S-50 S-50 S-50 S-50 S-50 S-6 () () () () () () () () RT S y, ksi 0 t 7 ½ t ½ t Insert ellipsis "... " 00 Y- Y- Y- Y- Y- Y- Y- Y- Y- 50 of Section of Section of Section of Section of Section of Section of Section of Section of Section 0 950,000 ) ) ) ) ) ) ) ) ),050 S/b " < " 0 STION I DIVISION 5 S/b " /Mo " Specification Size / Thickness, in.

51 lose up space before " R " HG-II-9- Tensile Strength Values S u, for erritic Steels at levated Temperatures in ore Support Structure pplications (ont'd) SI Units, MPa P-. Gr.. /r /Mo Si /r /Mo Si /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo /r Mo Product orm Spec.. orgings Wld. P. Smls. T. Smls. P. orgings org. P. orgings ittings Wld.. ast P. S- S-7 S-69 S- S-5 S-6 S-69 S- S- S- S-7 S-6 Type lass RT S y /S u, MPa / R T P P WP WP P /W /5 0/55 05/5 05/5 05/5 05/5 05/5 05/5 05/5 05/5 05/5 /5 Temperature, 00 5 U of U of U of U of U of U of U of U of U of U of U of U of 50 Section Section Section Section Section Section Section Section Section Section Section Section Part Part Part Part Part Part Part Part Part Part Part Part 500 D, D, D, D, D, D, D, D, D, D, D, D, 55 ) ) ) ) ) ) ) ) ) ) ) ) GNRL NOTS: (a) The tabulated values of tensile strength and yield strength are those that the ommittee believes are suitable for use in design calculations required by this ppendix. t temperatures above room temperature, the values of tensile strength tend toward an average or expected value that may be as much as 0% above the tensile strength adjusted to the minimum specified room temperature strength. t temperatures above room temperature, the yield strength values correspond to the yield strength trend curve adjusted to the minimum specified room temperature yield strength. Neither the tensile strength nor the yield strength values correspond exactly to either average or minimum, as these terms are applied to a statistical treatment of a homogeneous set of data. Neither the SM Material Specifications nor the rules of this ppendix require elevated temperature testing for tensile or yield strengths of production material for use in ode components. It is not intended that the results of such tests, if performed, be compared with these tabulated tensile and yield strength values for SM ode acceptance/rejection purposes for materials. If some elevated temperature test results on production material appear lower than the tabulated values by a large amount (more than the typical variability of material and suggesting the possibility of some error), further investigation by retest or other means shall be considered. (b) The following are the abbreviations used for Product orm: () Wld. P Welded Pipe () org. P. orged Pipe () ast P. ast Pipe () Smls. P. Seamless Pipe Smls. T. Seamless Tube Wld.. Welded itting 0 STION I DIVISION 5 Material

52 S/b " / " Delete accent and close up dd ellipses like in column 550 HG-II-9-5 Tensile Strength Values, S u, for erritic Steels at levated Temperatures in Threaded Structural astener pplications U.S. ustomary Units, ksi Temperature, Material Specification tes Type lass r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V /r Mo S-9 S-9 S-9 S-50 S-50 S-50 S-50 S-50 S-6 () () () () () () () () RT S u, Size / Thickness, in. ksi <t 7 <t <t U of Section U of Section U of Section U of Section U of Section U of Section U of Section U of Section U of Section 950,000 ) ) ) ) ) ) ) ) ),050 Temperature, S/b "NOTS" 77 Material Specification tes Type lass Size / Thickness, mm r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V r /Mo V /r Mo S-9 S-9 S-9 S-50 S-50 S-50 S`-50 S-50 S-6 () () () () () () () () < t 6 < t < t RT S u, MPa U of Section U of Section U of Section U of Section U of Section U of Section U of Section U of Section U of Section ) ) ) ) ) ) ) ) ) GNRL NOT: The tabulated values of tensile strength and yield strength are those that the ommittee believes are suitable for use in design calculations required by this ppendix. t temperatures above room temperature, the values of tensile strength tend toward an average or expected value that may be as much as 0% above the tensile strength adjusted to the minimum specified room temperature strength. t temperatures above room temperature, the yield strength values correspond to the yield strength trend curve adjusted to the minimum specified room temperature yield strength. Neither the tensile strength nor the yield strength values correspond exactly to either average or minimum, as these terms are applied to a statistical treatment of a homogeneous set of data. Neither the SM Material Specifications nor the rules of this ppendix require elevated temperature testing for tensile or yield strengths of production material for use in ode components. It is not intended that the results of such tests, if performed, be compared with these tabulated tensile and yield strength values for SM ode acceptance/rejection purposes for materials. If some elevated temperature test results on production material appear lower than the tabulated values by a large amount (more than the typical variability of material and suggesting the possibility of some error), further investigation by retest or other means shall be considered. NOTS: () The minimum tempering or aging temperature is,00 (650 ). () The minimum tempering or aging temperature is 50 (55 ). S/b General te (b) previous page) S/b " " S/b General te (a) previous page) 0 STION I DIVISION 5 SI Units, MPa

53 HG-II-9-6 Tensile Strength Values, S u, for ustenitic and High Nickel lloys at levated Temperatures in ore Support Structure and Threaded Structural astener pplications U.S. ustomary Units, ksi Temperature, Material 0SS 0SS 6SS 6SS lloy 00H RT S u, ksi U of U of U of U of U of Section Section Section Section Section 950 Part Part Part Part Part,000 D, D, D, D, D, ) ) ) ) ),050,00,50, SI Units, MPa Temperature, 7 0SS 0SS 6SS 6SS lloy 00H RT S u, MPa U of U of U of U of U of Section Section Section Section Section 500 Part Part Part Part Part 55 D, D, D, D, D, ) ) ) ) ) GNRL NOT: The general note to HG-II-9- also applies to HG-II-9-6. S/b " general notes " S/b " apply " 0 STION I DIVISION 5 Material

54 0 STION I DIVISION 5 HH-0 L = probability of survival of the component L e = the ultimate load or the maximum load or load combination used in the test L I = probability of survival of a group L, D = length and equivalent diameter of member under compression (buckling), HH-5 m % = Weibull modulus; three parameter distribution material reliability curve (from Material Data Sheet, HH-00) m 9 5 % = Weibull modulus of the material reliability curve (from Material Data Sheet, HH-00) P O = Probability of ailure R t c, R t f = ratio of mean compressive to mean tensile strength and the ratio of the mean flexural to mean tensile strength (from Material Data Sheet, HH-00) t, l, r = tangential, longitudinal, radial coordinate directions S c 95% = characteristic stress of the material reliability curve (from Material Data Sheet, HH-00) S c 095% = characteristic stress; three parameter distribution material reliability curve (from Material Data Sheet, HH-00) S g = design equivalent stress. This is an allowable stress that is dependent on the target Probability of ailure and the variability in strength of the graphite grade selected for the design. S 0 = threshold stress; three parameter distribution of the material reliability curve (from Material Data Sheet, HH-00) S 0 = the modified threshold stress V I = group volume V m = process zone volume (based on maximum grain size form Material Data Sheet, HH-00) V = Poisson s ratio x, y, z = coordinate system directions (alternative to t, l, r ) σ, σ, σ = principal stresses σd = d e s i g n c r i t i c a l s t r e ss ( b u c k l in g ) HH-5 σ t, σ l, σ r = direct stress components in the tangential, longitudinal, and radial directions σ v = equivalent stress τ r l, τ l t, τ t r = shear stress components in the tangential, longitudinal, and radial directions σ x, σ y, σ z = direct stress components in artesian coordinate system τ x y, τ y z, τ z x = shear stress components in artesian coordinate system Δ = stress range parameter SPIL ONSIDRTIONS ssessment of Graphite ore omponents comprising the Graphite ore ssembly shall include consideration of the effects of oxidation (both thermal and radiolytic), irradiation, abrasion and erosion, fatigue, and buckling. HH- Oxidation Graphite ore omponents may be oxidized by hydrogen, oxygen, or carbon dioxide in the coolant. The corroding gas mixtures diffuse into the porous structure of the graphite. The weight loss in the Graphite ore omponent varies depending on the conditions at which the oxidation occurs and the distance from the surface exposed to the gas flow. Oxidation analysis shall be carried out in detail to estimate the weight loss profiles of graphite structures, since reaction rates depend on the temperature, reactants, and graphite grade. ssessment of oxidized Graphite ore omponents shall comply with (a) through (d) below. (a) Material is considered oxidized if the weight loss is greater than %. (b) Strength Reduction. The strength (both tensile and compressive) decreases as a function of weight loss as shown in igures HH-- and HH-- (or alternatively from the Material Data Sheet HH-00). The stress evaluation shall be made according to this relation. The region where strength decreases to less than 50% shall not be credited in the stress evaluation. (c) Geometry Reduction. The region where the amount of weight loss exceeds 0% shall be regarded as completely removed from the structure for both oxidation and strength calculations. (d) ombinations of weight loss and irradiation where the resulting strength is lower than the non irradiated strength are excluded from the scope of these code requirements. Oxidation to high weight loss (>%) occurring simultaneously with significant irradiation (>0.5 dpa) is excluded from the scope of these code requirements. te that large scale oxidation resulting from accidental air or water ingress occurs over a short time scale without significant irradiation of the material and thus still fall within the scope of these rules. HH- Irradiation ffects HH-. Irradiation luence Limits. Graphite components in a core are classified according to their cumulative fast ( > 0. MeV) neutron irradiation fluence. (a) or fluence (at any point in the component) < 0.00 dpa [0.7 0/cm (DN)], the effects of neutron irradiation are negligible and may be ignored. (b) or fluence (at any point in the component) > 0.00 dpa [0.7 0/cm (DN)], the effect of neutron irradiation on thermal conductivity shall be taken into account. 95 lose up spaces after sigmas Subscript "0" (zero) s/b roman

55 Insert period. "max." and "min." "I", "II", and "III" s/b roman 0 STION I DIVISION 5 This assessment is conservative, and not meeting the prescribed limit does not mean that the Graphite ore ompo nent is not ac ceptable. full assessment (HH-0) or design by test (HH-0) may be completed to accept the Graphite ore omponent. () Group the integration volumes into groups (designated by the index I, I), starting with the point of highest stress. The allocation to groups is based on the following two conditions: ondition : group volume V I, I >V m. HH- The equivalent stress limits that shall be satisfied for the Design Loadings (HH-) stated in the Design Specifications are the two limits of this paragraph and the special stress limits of HH-6. The Design llowable Stress values, S g, as a function of the required Probability of ailure, are defined in HH-7. These limits are summarized in igure HH-- and HH--. ondition : group stress range as follows: where HH-. ombined Membrane Stress. This ðþ equivalent stress is derived from the average value across the thickness of a ligament or other section of the combined stresses (see HH-.7) produced by all Design Loadings. veraging is to be applied to the stress components prior to determination of the equivalent stress values. The criteria for acceptability are based on the S g values derived from a Probability of ailure as recorded in the Material Data Sheet (see HH-00). These allowable stresses depend on the Structural Reliability lass of the Graphite ore omponent, as follows: (a) for SR-, the allowable value is the S g value, derived to a Probability of ailure of 0 [S g (0 )] (b) for SR-, the allowable value is both of the following: () the S g value, derived to a Probability of ailure of 0 [S g (0 )] prior to the inclusion of any internal stress due to irradiation () the S g value, derived to a Probability of ailure of 0 [S g (0 )] when including any internal stress due to irradiation at the design lifetime (c) for SR-, the allowable value is the S g value, derived to a Probability of ailure of 0 [S g (0 )]. V m = a process zone volume, which is the volume described by the cube of 0 times the maximum grain size; and Δ = the stress range parameter, 7%. or each group, compute a Probability of Survival by summing over the integration volumes within each group as follows: S/b roman alculate the Probability of Survival of the Graphite ore omponent by multiplying the Probability of Survival of the groups. (7) alculate and report the Probability of ailure: lose up space between "Sg" and "(" HH-0 Design Limits HH-. Peak quivalent Stress. The Peak quivalent Stress (HH-.) produced by the Design Loadings, including all combined and peak stresses, is evaluated. The criteria for acceptability are based on the S g values derived from a Probability of ailure as published in the Material Data Sheet (see HH-00), multiplied by the ratio of flexural to tensile strength (R t f ). These allowable stresses depend on the Structural Reliability lass of the Graphite ore omponent, as follows: (a) or SR-, the allowable value is the R t f S g value, derived to a Probability of ailure of 0 [R t f S g (0 )]. (b) or SR-, the allowable value is both of the following: () R t f S g value, derived to a Probability of ailure of 0 [R t f S g (0 )] prior to the inclusion of any internal stress due to irradiation STRSS LIMITS OR GRPHIT OR OMPONNT SIMPLIID SSSSMNT s a simplified assessment, the peak equivalent stress (see HH-.) calculated for the Graphite ore omponent shall be compared directly to an allowable stress value (calculated in accordance with HH-6). The allowable stress value depends on the target Probability of ailure derived from the Structural Reliability lass (SR) of the Graphite ore omponent and the Service Level of the load. The SR is defined in HH-0. The Design Loadings are as defined in HH-, and the Service Level Loadings are as defined in HH-. The allowable stress values are retrieved from the Material Data Sheet (see HH-00) for the specific graphite grade. 00 Insert multiplication sign between variables (Rtf x Sg)

56 Insert multiplication sign between variables (Rtf x Sg) 0 STION I DIVISION 5 S/b minus sign (en dash) () R t f S g value, derived to a Probability of ailure of 0 [R t f S g (0 )] when including any internal stress due to irradiation at the design lifetime (c) or SR-, the allowable value is the R t f S g value, derived to a Probability of ailure of 0 [R t f S g (0 )]. HH- () R t f S g value, derived to a Probability of ailure of 0- [R t f S g (0 )] when including any internal stress due to irradiation at the design lifetime. (c) or SR-, the allowable value is the R t f S g value, derived to a Probability of ailure of 0- [R t f S g (0 )]. HH-. Deformation Limits. ny deformation limits prescribed by the Design Specifications shall be met. Level Service Limits HH- The Level Service Limits shall be satisfied for the Service Level Loadings (HH-) for which these limits are designated in the Design Specifications and are the three limits of this paragraph and HH-6. The Design llowable Stress values, S g, as a function of the required Probability of ailure, are defined in HH-7. These limits are summarized in igure HH-- and HH--. or Graphite ore omponents, the requirements of (a) and (b) below apply. (a) The values of Level Service Limits (HH-) shall apply for Level Service Loadings (HH-). (b) Deformation or other limits in the Design Specifications shall be met. HH- HH-. ombined Membrane Stress. This equivalent stress is derived from the average value across the thickness of a ligament or other section of the combined stresses (see HH-.7) produced by all Level Service Loadings. veraging is to be applied to the stress components prior to determination of the equivalent stress values. The criteria for acceptability are based on the S g values derived from a Probability of ailure as recorded in the Material Data Sheet (see HH-00). These allowable stresses depend on the Structural Reliability lass of the Graphite ore omponent, as follows: (a) or SR-, the allowable value is the S g value, derived to a Probability of ailure of 0 [S g (0 )]. (b) or SR-, the allowable value is both of the following: () the S g value, derived to a Probability of ailure of 0 [S g (0 )] prior to the inclusion of any internal stress due to irradiation () the S g value, derived to a Probability of ailure of 0 [S g (0 )] when including any internal stress due to irradiation at the design lifetime (c) for SR-, the allowable value is the S g value, derived to a Probability of ailure of 0 [S g (0 )]. lose up space between "Sg" and "(" Level Service Limits The Level Service Limits shall be satisfied for Level Service Loadings (HH-) for which these limits are designated in the Design Specifications and are the three limits of this paragraph and HH-6. The Design llowable Stress values, S g, as a function of the required Probability of ailure, are defined in HH-7. These limits are summarized in igure HH-- and HH--. HH-. ombined Membrane Stress. This equivalent stress is derived from the average value across the thickness of a ligament or other section of the combined stresses (see HH-.7) produced by all Level Service Loadings. veraging is to be applied to the stress components prior to determination of the equivalent stress values. The criteria for acceptability are based on the S g values derived from a Probability of ailure as recorded in the Material Data Sheet (see HH-00). These allowable stresses depend on the Structural Reliability lass of the Graphite ore omponent, as follows: (a) for SR-, the allowable value is the S g value, derived to a Probability of ailure of 0 [S g (0 )] (b) for SR-, the allowable value is the S g value, derived to a Probability of ailure of 5 0 [S g (5 0-)] when including any internal stress due to irradiation at the design lifetime; (c) for SR-, the allowable value is the S g value, derived to a Probability of ailure of 5 0 [S g (5 0-)]. HH-. Peak quivalent Stress. The Peak quivalent Stress (HH-.) produced by the Level Service Loadings including all combined and peak stresses is evaluated. The criteria for acceptability are based on the S g values derived from a Probability of ailure as recorded in the Material Data Sheet (see HH-00), multiplied by the ratio of flexural to tensile strength (R t f ). These allowable stresses depend on the Structural Reliability lass of the Graphite ore omponent, as follows: (a) or SR-, the allowable value is the R t f S g value, derived to a Probability of ailure of 0- [R t f S g (0 )]. (b) or SR-, the allowable value is both of the following: () R t f S g value, derived to a Probability of ailure of 0- [R t f S g (0 )] prior to the inclusion of any internal stress due to irradiation. Insert space before "Sg" Level Service Limits HH-. Peak quivalent Stress. The Peak quivalent Stress (HH-.) produced by the Level Service Loadings including all combined and peak stresses is evaluated. The criteria for acceptability are based on the S g values derived from a Probability of ailure as recorded in the Material Data Sheet (see HH-00), multiplied by the ratio of flexural to tensile strength (R t f ). These allowable stresses depend on the Structural Reliability lass of the Graphite ore omponent, as follows: (a) for SR-, the allowable value is the R t f S g value, derived to a Probability of ailure of 0- [R t f S g (0 )] 0 delete "." (period)

57 0 STION I DIVISION 5 HH-II-000- tes on Material Data Sheet, orms MDS- and MDS- (ont'd) (0) () () () () (6) Oxidation change in thermal conductivity: ither as a chart or curve that describes the mean behavior of the relative property change as a function of weight loss. This is expressed as a value normalized to the as-manufactured value. Irradiation induced dimensional change: This is the change in length, normalized to the initial length expressed as a percentage. The data shall be expressed as either a table of data or as a mathematical fit, appended to the data sheet. Range of applicability to be identified and checked as part of the design assessment. Irradiation induced creep coefficient: Shall be expressed as either a table of data or as a mathematical fit, appended to the data sheet. Range of applicability to be identified and checked as part of the design assessment. The creep coefficient to be used is to be the coefficient (or set of coefficients) required for the irradiation creep model proposed for use by the Designer. The model shall be recorded in an attachment to the Material Data Sheet. Irradiation induced change in coefficient of thermal expansion: Shall be expressed as either a table of data or as a mathematical fit, appended to the data sheet. Range of applicability to be identified and checked as part of the design assessment. This is expressed as a value normalized to the as-manufactured value. The temperature dependence of this property shall be determined. Irradiation induced change in strength: Shall be expressed as either a table of data or as a mathematical fit, appended to the data sheet. Range of applicability to be identified and checked as part of the design assessment. This is expressed as a value normalized to the as-manufactured value and shall be based on a strength parameter selected by the Designer. The strength parameter used shall be recorded in an attachment to the Material Data Sheet. te that irradiation induced change in strength need only be measured should the Designer desire to take account of the strength increase at low or intermediate damage doses. Irradiation induced change in elastic modulus: This is expressed as a value normalized to the as-manufactured value. Irradiation induced change in thermal conductivity: This is expressed as a value normalized to the as-manufactured value. The temperature dependence of this property shall be determined. GNRL NOT: These notes provide a definition of the parameters in the Material Data Sheet and how they are to be determined. The information in this table shall be defined for each cell in the Material Data Sheet: mean, standard deviation, and number of specimens. The data may either be included on the form or as attachments. ttachments, where used, shall be filed with the form. S/b hyphenated (Irradiation-induced) where marked

58 0 STION I DIVISION 5 S/b "ln{-ln[l(x)]}" replace second set of parentheses with brackets. RTIL HH-II-000 DTILD RQUIRMNTS OR DRIVTION O TH MTRIL DT SHT S-MNUTURD PROPRTIS HH-II-00 MTRIL RLIILITY URV PRMTRS (TWO PRMTR OR SIMPL SSSSMNT) pplying the straight line, one obtains estimated values of m * and S c * from the measured values (strength values) for the true Weibull parameters m and S c. These estimated values are approximations whose precision depends on the scope of test samples examined. (a) The probability density function f(x) of the strength distribution is to be determined from the measured strength values using the following two-parameter Weibull distribution: (d) or the stress evaluation, the Weibull parameters corresponding to a confidence level (γ) of 95% are to be used (lower limit of the one-sided confidence interval). These are to be determined using igures HH-II-00- and HH-II-00-, whereby ðþ ð6þ The distribution function ð7þ (e) The characteristic strength value S c 95%depends on the fluence of fast neutrons. In the case of a neutron-irradiated material, therefore, the S c 95%value determined for anon-irradiated material is multiplied by a factor that considers the strength increase or decrease due to the irradiation. ðþ is designated as the failure probability. The survival probability is defined as ðþ HH-II-00 (b) The following Weibull parameters: () m = shape parameter () S c = characteristic strength value MTRIL RLIILITY URV PRMTRS (THR PRMTR OR ULL SSSSMNT) The Probability Density unction (PD) and the umulative Distribution unction (D) of the three-parameter Weibull distribution are given by are to be determined using the method of least squares from the linearized relationship ðþ ðþ corresponding to the straight line equation and (c) The measured values are to be arranged in a monotonically increasing order. veryone of the n measured strength values is to be allocated its probability of survival in accordance with the following equation: ð9þ respectively, where. The parameter α is called the shape parameter, β is called the scale parameter and µ is called the threshold parameter. ð5þ Insert spaces around ">" Insert "and" after comma ðþ

59 Insert "and" after second comma "0" (zero) s/b roman 0 STION I DIVISION 5 "S" s/b italicized - variable. Given a sample of independent and identically distributed observations X, X,..., X n having a common PD, eq. (), the maximum likelihood estimates,, and of the parameters α, β and µ satisfy the following three equations: ðþ where x is the value of the individual data point. The correspondence between the parameters α, β, and µ in eqs. () and (9) and the parameters S 0, S c, and m in eqs. (7) and (), is obtained by comparing eqs. (9) and (), i.e. ð0þ ð9þ Given the maximum likelihood estimates (MLs),, and using the invariance property of MLs, the ML of ðþ, and of the parameters S 0, S c, and m follows from eq. (9) and are given by ð0þ Insert accent mark over beta and mu (see red rectangle in para just below eq. (9)) ðþ HH-II-00 Let ξ denote the population 00th percentile point (0 < c <) of the three-parameter Weibull distribution, i.e. let: DSIGN LLOWL STRSS VLU (a) Using the determined values of m 95% and S c 95%, the stress values S g (p) are to be ascertained [from eq. ()] for failure probabilities PO corresponding to 0, 0, 0 and 5 0. The allowable stress values S g (PO) depend on the Structural Reliability lass and the Design or Service Level Loading (refer to HH-0). In the case of simple stress distributions, these values are used for the evaluation of component stresses. ðþ Then ξ c can be obtained as: ðþ ðþ It follows from the invariance property of maximum likelihood estimators that the maximum likelihood estimates, of ξ c is given by: The allowable stress values for tensile stresses, compressive stresses, and bending stresses are to be determined from the measured tensile, compressive, and bending strengths, respectively. ð5þ igure HH-II-00- orrection actor T of the Shape Parameter M of Two-Parameter Weibull Distribution (γ = 0.95) n approximate two-sided ( γ) 00% confidence interval for ξ c is given by L (lower limit) and U (upper limit) where: ð6þ and where k γ is the ( γ)/ percentile of the standard normal distribution. reparameterization of the three-parameter Weibull distribution, using eqs. () and (9), is given by: ð7þ and, The height of the vertical bar should be the same as that of the bracket, like in eq.()