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The Chemical Composition Of Stainless Steel

ClassificationSpecificationChemical Compositionother
JISAISICSiMnPSNiCrMoCuN
Martensitic Grades SUS403 403 Max.0.15 Max.0.50 Max.1.00 Max.0.040 Max.0.030 (1) 11.50~13.00 - - - -
SUS410 410 Max.0.15 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 11.50~13.50 - - - -
SUS410J1 - 0.08~0.18 Max.0.60 Max.1.00 Max.0.040 Max.0.030 (1) 11.50~14.00 0.30~0.60 - - -
SUS410F2 - Max.0.15 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 11.50~13.50 - - - Pb 0.05˜0.30
SUS416 416 Max.0.15 Max.1.00 Max.1.25 Max.0.060 Min.0.15 (1) 12.00~14.00 (2) - - -
SUS420J1 420 0.16~0.25 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 12.00~14.00 - - - -
SUS420J2 420 0.26~0.40 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 12.00~14.00 - - - -
SUS420F 420F 0.26~0.40 Max.1.00 Max.1.25 Max.0.060 Min.0.15 (1) 12.00~14.00 (2) - - -
SUS420F2 - 0.26~0.40 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 12.00~14.00 - - - Pb 0.05~0.30
SUS431 431 Max.0.20 Max.1.00 Max.1.00 Max.0.040 Max.0.030 1.25~2.50 15.00~17.00 - - - -
SUS440A 440A 0.60~0.75 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 16.00~18.00 (3) - - -
SUS440B 440B 0.75~0.95 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 16.00~18.00 (3) - - -
SUS440C 440C 0.95~1.20 Max.1.00 Max.1.00 Max.0.040 Max.0.030 (1) 16.00~18.00 (3) - - -
SUS440F S44020 0.95~1.20 Max.1.00 Max.1.25 Max.0.060 Min.0.15 (1) 16.00~18.00 (3) - - -
Ferritic Grades SUS405 405 Max.0.08 Max.1.00 Max.1.00 Max.0.040 Max.0.030 - 11.50~14.50 - - - Al 0.10~0.30
SUS410L - Max.0.03 Max.1.00 Max.1.00 Max.0.040 Max.0.030 - 11.00~13.50 - - - -
SUS430 430 Max.0.12 Max.0.75 Max.1.00 Max.0.040 Max.0.030 - 16.00~18.00 - - - -
SUS430F 430F Max.0.12 Max.1.00 Max.1.25 Max.0.060 Min.0.15 - 16.00~18.00 (2) - - -
SUS434 434 Max.0.12 Max.1.00 Max.1.00 Max.0.040 Max.0.030 - 16.00~18.00 0.75~1.25 - - -
SUS447J1 - Max.0.01 Max.0.40 Max.0.40 Max.0.030 Max.0.020 - 28.50~32.00 1.50~2.50 - Max.0.015 -
SUSXM27 - Max.0.01 Max.0.40 Max.0.40 Max.0.030 Max.0.020 - 25.00~27.50 0.75~1.50 - Max.0.015 -
Austenitic Ferritic Grades SUS329J1 329 Max.0.08 Max.1.00 Max.1.50 Max.0.040 Max.0.030 3.00~6.00 23.00~28.00 1.00~3.00 - - -
SUS329J3L S31803 Max.0.03 Max.1.00 Max.2.00 Max.0.040 Max.0.030 4.50~6.50 21.00~24.00 2.50~3.50 - 0.08~0.20 -
SUS329J4L S31260 Max.0.03 Max.1.00 Max.1.50 Max.0.040 Max.0.030 5.50~7.50 24.00~26.00 2.50~3.50 - 0.08~0.30 -
Austenitic Grades SUS201 201 Max.0.15 Max.1.00 5.50~7.50 Max.0.060 Max.0.030 3.50~5.50 16.00~18.00 - - 0.25?? -
SUS202 202 Max.0.15 Max.1.00 7.50~10.00 Max.0.060 Max.0.030 4.00~6.00 17.00~19.00 - - Max.0.25 -
SUS301 301 Max.0.15 Max.1.00 Max.2.00 Max.0.045 Max.0.030 6.00~8.00 16.00~18.00 - - - -
SUS302 302 Max.0.15 Max.1.00 Max.2.00 Max.0.045 Max.0.030 8.00~10.00 17.00~19.00 - - - -
SUS303 303 Max.0.15 Max.1.00 Max.2.00 Max.0.200 Min.0.15 8.00~10.00 17.00~19.00 (2) - - -
SUS303Se 303Se Max.0.15 Max.1.00 Max.2.00 Max.0.200 Max.0.060 8.00~10.00 17.00~19.00 - - - Se Min.0.15
SUS303Cu - Max.0.15 Max.1.00 Max.3.00 Max.0.200 Min.0.15 8.00~10.00 17.00~19.00 (2) 1.50~3.50 - -
SUS304 304 Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 8.00~10.50 18.00~20.00 - - - -
SUS304L 304L Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 9.00~13.00 18.00~20.00 - - - -
SUS304N1 304N Max.0.08 Max.1.00 Max.2.50 Max.0.045 Max.0.030 7.00~10.50 18.00~20.00 - - 0.10~0.25 -
SUS304N2 - Max.0.08 Max.1.00 Max.2.50 Max.0.045 Max.0.030 7.50~10.50 18.00~20.00 - - 0.15~0.30 Nb Max.0.15
SUS304LN 304LN Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 8.50~11.50 17.00~19.00 - - 0.12~0.22 -
SUS304J3 - Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 8.00~10.50 17.00~19.00 - 1.00~3.00 - -
SUS305 305 Max.0.12 Max.1.00 Max.2.00 Max.0.045 Max.0.030 10.50~13.00 17.00~19.00 - - - -
SUS309S 309S Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 12.00~15.00 22.00~24.00 - - - -
SUS310S 310S Max.0.08 Max.1.50 Max.2.00 Max.0.045 Max.0.030 19.00~22.00 24.00~26.00 - - - -
SUS316 316 Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 10.00~14.00 16.00~18.00 2.00~3.00 - - -
SUS316L 316L Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 12.00~15.00 16.00~18.00 2.00~3.00 - - -
SUS316N 316N Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 10.00~14.00 16.00~18.00 2.00~3.00 - 0.10~0.22 -
SUS316LN 316LN Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 10.50~14.50 16.50~18.50 2.00~3.00 - 0.12~0.22 -
SUS316Ti - Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 10.00~14.00 16.00~18.00 2.00~3.00 - - Ti Min.5xC%
SUS316J1 - Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 10.00~14.00 17.00~19.00 1.20~2.75 1.00~2.50 - -
SUS316J1L - Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 12.00~16.00 17.00~19.00 1.20~2.75 1.00~2.50 - -
SUS316F - Max.0.08 Max.1.00 Max.2.00 Max.0.045 Min.0.10 10.00~14.00 16.00~18.00 2.00~3.00 - - -
SUS317 317 Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 11.00~15.00 18.00~20.00 3.00~4.00 - - -
SUS317L 317L Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 11.00~15.00 18.00~20.00 3.00~4.00 - - -
SUS317LN - Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 11.00~15.00 18.00~20.00 3.00~4.00 - 0.10~0.22 -
SUS317J1 - Max.0.04 Max.1.00 Max.2.50 Max.0.045 Max.0.030 15.00~17.00 16.00~19.00 4.00~6.00 - - -
SUS836L - Max.0.03 Max.1.00 Max.2.00 Max.0.045 Max.0.030 24.00~26.00 19.00~24.00 5.00~7.00 - Max.0.25 -
SUS890L - Max.0.02 Max.1.00 Max.2.00 Max.0.045 Max.0.030 23.00~28.00 19.00~23.00 4.00~5.00 1.00~2.00 - -
SUS321 321 Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 9.00~13.00 17.00~19.00 - - - Ti Min.5xC%
SUS347 347 Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 9.00~13.00 17.00~19.00 - - - Nb Min.10xC%
SUSXM7 304Cu Max.0.08 Max.1.00 Max.2.00 Max.0.045 Max.0.030 8.50~10.50 17.00~19.00 - 3.00~4.00 - -
SUSXM15J1 - Max.0.08 3.00~5.00 Max.2.00 Max.0.045 Max.0.030 11.50~15.00 15.00~20.00 - - - -
Precipitation Hardening Grades SUS630 S17400 Max.0.07 Max.1.00 Max.1.00 Max.0.040 Max.0.030 3.00~5.00 15.00~17.50 - 3.00~5.00 - Nb 0.15~0.45
SUS631 S17700 Max.0.09 Max.1.00 Max.1.00 Max.0.040 Max.0.030 6.50~7.75 16.00~18.00 - - - Al 0.75~1.50
* SUS329J1 denotes austenitic and ferritic stainless steel. Note:
(1) May contain at most 0.6% Ni.
(2) May have at most 0.6% Mo added.
(3) May have at most 0.75% Mo added.
Remarks:
1) Ferritic SUS447J1 and SUSXM27 may contain at most 0.60% Ni.
  SUS447J1 and SUSXM27 may contain at most 0.50% Ni, 0.20% Cu, and 0.50% Ni + Cu; and any alloy element other than listed can be added if required.
2) With SUSXM15J1 any alloy element other than listed can be added if required.