Bảng thành phần hóa học của thép không gỉ/rỉ
Chemical composition of stainless steel
| Classification | Specification | Chemical Composition | other | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | C | Si | Mn | P | S | Ni | Cr | Mo | Cu | N | ||
| 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. |