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Chemical Composition for Austenitic Stainless Steel Pipe
Class Grade. Component Applicable Standard Chemical Compositions (%) Mechanical Property
UNS
CODE.		 ASTM CODE. C Si Mn P S Ni Cr Mo N Cu others TS
(min)
Mpa		 YS
(min)
Mpa		 EL,min
%
Austenitic
Stainless Steel		 303 18Cr-8Ni-S S30300 TP303 SUS303 0.15max 1.00max 2.00max 0.20max 0.15max 8.00~10.00 17.00~19.00 0.60max - - - 520 205 40
304 18Cr-8Ni S30400 TP304/SUS304 0.08max 1.00max 2.00max 0.045max 0.030max 8.00~11.00 18.00~20.00 - - - - 520 205 35
304H 18Cr-8Ni-High C S30409 TP304H/SUS304H 0.04~0.10 0.75max 2.00max 0.040max 0.030max 8.00~11.00 18.00~20.00 - - - - 520 205 35
304L 18Cr-8Ni-Low C S30403 TP304L/SUS304L 0.035max 1.00max 2.00max 0.045max 0.030max 9.00~13.00 18.00~20.00 - - - - 480 175 35
304LN 18Cr-8Ni-Low C-N S30453 TP304LN/SUS304LN 0.035max 1.00max 2.00max 0.045max 0.030max 8.00~11.00 18.00~20.00 - 0.10~0.16 - - 515 205 35
309 22Cr-12Ni S30909 TP309/SUS309 0.15max 1.00max 2.00max 0.040max 0.030max 12.00~15.00 22.00~24.00 - - - - 520 205 35
309S 22Cr-12Ni S30908 TP309S/SUS309S 0.08max 1.00max 2.00max 0.045max 0.030max 12.00~15.00 22.00~24.00 - - - - 520 205 35
310 25Cr-20Ni S31009 TP310/SUS310 0.15max 1.50max 2.00max 0.040max 0.030max 19.00~22.00 24.00~26.00 - - - - 520 205 35
310S 25Cr-20Ni S31008 TP310S/SUS310S 0.08max 1.50max 2.00max 0.045max 0.030max 19.00~22.00 24.00~26.00 - - - - 520 205 35
312L 20Cr-18Ni-6Mo-0.2N S31254 TP312L/SUS312L 0.02max 0.80max 1.00max 0.030max 0.015max 17.50~19.50 19.00~21.00 6.00~7.00 0.16~0.23 0.50~1.00 - 650 300 35
316 18Cr-12Ni-2Mo S31600 TP316/SUS316 0.08max 1.00max 2.00max 0.045max 0.030max 10.00~14.00 16.00~18.00 2.00~3.00 - - - 520 205 35
316H 18Cr-12Ni-2Mo-High C S31609 TP316H/SUS316H 0.04~0.10 0.75max 2.00max 0.030max 0.030max 11.00~14.00 16.00~18.00 2.00~3.00 - - - 520 205 35
316L 18Cr-12Ni-2Mo-Low C S31603 TP316L/SUS316L 0.030max 1.00max 2.00max 0.045max 0.030max 12.00~16.00 16.00~18.00 2.00~3.00 - - - 480 175 35
316Ti 18Cr-12Ni-Mo-Ti S31635 TP316Ti/SUS316Ti 0.08max 0.75max 2.00max 0.030max 0.030max 11.00~14.00 16.00~18.00 2.00~3.00 - - - 520 205 35
317 18Cr-12Ni-3Mo S31700 TP317/SUS317 0.08max 1.00max 2.00max 0.045max 0.030max 11.00~15.00 18.00~20.00 3.00~4.00 - - - 520 205 35
317L 18Cr-12Ni-3Mo-Low C S31703 TP317L/SUS317L 0.030max 1.00max 2.00max 0.045max 0.030max 10.00~15.00 16.00~18.00 2.00~3.00 - - - 480 175 35
321 18Cr-9Ni-Ti S32100 TP321/SUS321 0.08max 1.00max 2.00max 0.045max 0.030max 9.00~13.00 17.00~19.00 - - - Ti:5 x C%,min 520 205 35
321H 18Cr-9Ni-Ti-High C S32109 TP321H/SUS321H 0.040~0.10 0.75max 2.00max 0.030max 0.030max 9.00~13.00 17.00~20.00 - - - Ti:4 x C%~0.60 520 205 35
347 18Cr-9Ni-Nb S34700 TP347/SUS347 0.08max 1.00max 2.00max 0.045max 0.030max 9.00~13.00 17.00~19.00 - - - Nb:10 x C%,min 520 205 35
347H 18Cr-9Ni-Nb-Low C S34709 TP347H/SUS347H 0.04~0.10 1.00max 2.00max 0.030max 0.030max 9.00~13.00 17.00~20.00 - - - Nb:8 x C%~1.00 520 205 35
310MoLN 25Cr-22Ni-2Mo S31050 A213/ - 0.025max 0.40max 2.00max 0.020max 0.030max 21.00~23.00 24.00~26.00 2.00~3.00 0.10~0.16 - - 540 255 25
Duplex
Stainless Steel		 329J3L 22Cr-5Ni-3Mo-0.15N S31803 A789/SUS329J3L/ SUS347H 0.030max 1.00max 1.50max 0.040max 0.030max 4.50~6.50 21.00~24.00 2.50~3.50 0.08~0.20 - - 620 450 18
329J4L 25Cr-7Ni-3Mo-0.2N S31260 A789/SUS329J3L 0.030max 1.00max 1.50max 0.040max 0.030max 5.50~7.50 24.00~26.00 2.50~3.50 0.08~0.30 - - 620 450 18
S31500 18.5Cr-5Ni-2.7Mo S31500 A789/ - 0.030max 1.40~2.00 1.20~2.00 0.030max 0.030max 4.3~5.2 18.00~20.00 2.50~3.50 0.05~0.10 - - 630 440 30
S32205 22.5Cr-6Ni-3Mo-0.2N S32205 A789/ - 0.030max 1.00max 2.00max 0.030max 0.020max 4.5~6.5 22.00~23.00 3.0~3.5 0.14~0.20 - - 655 450 25
S32750 25Cr-7Ni-4Mo-0.3N S32750 A789/ - - - - - - - - - - - - - - -