Stainless Steel
Stainless steel is a corrosion-resistant, strong and versatile sheet metal widely used in construction, industry and manufacturing, known for its weather resistance and aesthetics.
JIS G4305
As an important material, stainless steel has shown outstanding advantages in various fields. Its corrosion resistance, high strength, high temperature resistance, hygiene, aesthetics, recyclability, and abrasion resistance make it a preferred material in numerous industries.
| SPEC | GB | JIS | ASTM | UNS |
| GRADE | 00Cr18Mo2 | 019Cr19Mo2NbTi | SUS444 | 444 |
| SPEC | KS | IS | EN | CNS |
| GRADE | S44400 | 1.4521 | 444 |
Stainless Steel
1. Austenitic stainless steel, with comprehensive and good comprehensive performance, is widely used in food, general chemical equipment, atomic energy; stainless steel is used for decoration materials, stainless steel doors and windows, stainless steel stair handrails, anti-theft nets, etc
2. Ferritic stainless steel is widely used in the manufacturing of pitting resistant materials, tableware, cutting tools and cutting tools
3. Martensitic stainless steel, widely used for equipment resistant to sulfuric acid, phosphoric acid, formic acid and aceti cacid
4, chromium nickel molybdenum stainless steel, widely used in oil refining, chemical fertilizer, papermaking, petroleum,chemical industry and other industrial manufacturing heat exchanger, condenser.
| Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Ni | Cr | Mo | Cu | N | Others |
| SUS301 | 0.150 | 1.000 | 2.000 | 0.045 | 0.030 | 6.00~8.00 | 16.00~18.00 | – | – | – | – |
| SUS301L | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 6.00~8.00 | 16.00~18.00 | – | – | ≤0.20 | – |
| SUS301J1 | 0.8~0.12 | 1.000 | 2.000 | 0.045 | 0.030 | 7.00~9.00 | 16.00~18.00 | – | – | – | – |
| SUS302B | 0.150 | 2.00~3.00 | 2.000 | 0.045 | 0.030 | 8.00~10.00 | 17.00~19.00 | – | – | – | – |
| SUS304 | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 8.00~10.50 | 18.00~20.00 | – | – | – | – |
| SUS304Cu | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 8.00~10.50 | 18.00~20.00 | – | 0.70~1.30 | – | – |
| SUS304L | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 9.00~13.00 | 18.00~20.00 | – | – | – | – |
| SUS304N1 | 0.080 | 1.000 | 2.500 | 0.045 | 0.030 | 7.00~10.50 | 18.00~20.00 | – | – | 0.10~0.25 | – |
| SUS304N2 | 0.080 | 1.000 | 2.500 | 0.045 | 0.030 | 7.50~10.50 | 18.00~20.00 | – | – | 0.15~0.30 | Nb≤0.15 |
| SUS304LN | 0.030 | 1.000 | 2.000 | 0.045 | 0.300 | 8.5~11.5 | 17.00~19.00 | – | – | 0.12~0.22 | – |
| SUS304J1 | 0.080 | 1.700 | 3.000 | 0.045 | 0.300 | 6.00~9.00 | 15.00~18.00 | – | 1.00~3.00 | – | – |
| SUS304J2 | 0.080 | 1.700 | 3.00~5.00 | 0.045 | 0.300 | 6.00~9.00 | 15.00~18.00 | – | 1.00~3.00 | – | – |
| SU305 | 0.120 | 1.000 | 2.000 | 0.045 | 0.030 | 10.50~13.00 | 17.00~19.00 | – | – | – | – |
| SU309S | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 12.00~15.00 | 22.00~24.00 | – | – | – | – |
| SUS310S | 0.080 | 1.500 | 2.000 | 0.045 | 0.030 | 19.00~22.00 | 24.00~26.00 | – | – | – | – |
| SUS312L | 0.020 | 0.800 | 1.000 | 0.300 | 0.015 | 17.50~19.50 | 19.00~21.00 | 6.00~7.00 | 0.50~1.00 | 0.16~0.25 | – |
| SUS315J1 | 0.080 | 0.50~2.50 | 2.000 | 0.045 | 0.030 | 8.50~11.50 | 17.00~20.50 | 0.50~1.50 | 0.50~3.50 | – | – |
| SUS315J2 | 0.080 | 2.50~4.00 | 2.000 | 0.045 | 0.030 | 11.00~14.00 | 17.00~20.50 | 0.50~1.50 | 0.50~3.50 | – | – |
| SUS316 | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | – | – | – |
| SUS316L | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 12.00~15.00 | 16.00~18.00 | 2.00~3.00 | – | – | – |
| SUS316 N | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | – | 0.10~0.22 | – |
| SUS316 LN | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 10.50~14.50 | 16.50~18.50 | 2.00~3.00 | – | 0.12~0.22 | – |
| SUS316Ti | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | – | – | Ti≥5xC% |
| SUS316J1 | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 10.00~14.00 | 17.00~19.00 | 1.20~2.75 | 1.00~2.50 | – | – |
| SUS316 J1L | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 12.00~16.00 | 17.00~19.00 | 1.20~2.75 | 1.00~2.50 | – | – |
| SUS317 | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 11.00~15.00 | 18.00~20.00 | 3.00~4.00 | – | – | – |
| SUS317L | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 11.00~15.00 | 18.00~20.00 | 3.00~4.00 | – | – | – |
| SUS317LN | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 11.00~15.00 | 18.00~20.00 | 3.00~4.00 | – | 0.10~0.22 | – |
| SUS317J1 | 0.040 | 1.000 | 2.500 | 0.045 | 0.030 | 15.00~17.00 | 16.00~19.00 | 4.00~6.00 | – | – | – |
| SUS317J2 | 0.060 | 1.500 | 2.000 | 0.045 | 0.030 | 12.00~16.00 | 23.00~26.00 | 0.50~1.20 | – | 0.25~0.40 | – |
| SUS836L | 0.030 | 1.000 | 2.000 | 0.045 | 0.030 | 24.00~26.00 | 19.00~24.00 | 5.00~7.00 | – | ≤0.25 | – |
| SUS890L | 0.020 | 1.000 | 2.000 | 0.045 | 0.030 | 23.00~28.00 | 19.00~23.00 | 4.00~5.00 | 1.00~2.00 | – | – |
| SUS321 | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 9.00~13.00 | 17.00~19.00 | – | – | – | Ti≥5XC% |
| SUS347 | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 9.00~13.00 | 17.00~19.00 | – | – | – | Nb≥10XC% |
| SUSXM7 | 0.080 | 1.000 | 2.000 | 0.045 | 0.030 | 8.50~10.50 | 17.00~19.00 | – | 3.00~4.00 | – | – |
| SUSXM15J1 | 0.080 | 3.00~5.00 | 2.000 | 0.045 | 0.030 | 11.50~15.00 | 15.00~20.00 | – | – | – | – |
| Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr |
| SUS403 | 0.15 | 0.50~2.50 | 1.00 | 0.040 | 0.030 | 11.50~13.00 |
| SUS410 | 0.15 | 1.00 | 1.00 | 0.040 | 0.030 | 11.50~13.50 |
| SUS410S | 0.08 | 1.00 | 1.00 | 0.040 | 0.030 | 11.50~13.50 |
| SUS420 J1 | 0.16~0.25 | 1.00 | 1.00 | 0.040 | 0.030 | 12.00~14.00 |
| SUS420 J2 | 0.26~0.40 | 1.00 | 1.00 | 0.040 | 0.030 | 12.00~14.00 |
| SUS440A | 0.60~0.75 | 1.00 | 1.00 | 0.040 | 0.030 | 16.00~18.00 |
| Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Ni | Cr | Cu | Other |
| SUS630 | 0.07 | 1.00 | 1.00 | 0.040 | 0.030 | 3.00~5.00 | 15.00~17.50 | 3.00~5.00 | Nb 0.15~0.45 |
| SUS631 | 0.09 | 1.00 | 1.00 | 0.040 | 0.030 | 6.50~7.75 | 16.00~18.00 | – | AL 0.75~1.50 |
| Grade |
Yield N/mm2 ≥ |
Tensile N/mm2 ≥ |
Elongation % ≥ |
Hardness (2) | ||
| HB ≤ | HRB ≤ | HV ≤ | ||||
| SUS301 | 205 | 520 | 40 | 207 | 95 | 218 |
| SUS301L | 215 | 550 | 45 | 207 | 95 | 218 |
| SUS301J1 | 205 | 570 | 45 | 187 | 90 | 200 |
| SUS302B | 205 | 520 | 40 | 207 | 95 | 218 |
| SUS304 | 205 | 520 | 40 | 187 | 90 | 200 |
| SUS304Cu | 205 | 520 | 40 | 187 | 90 | 200 |
| SUS304L | 175 | 480 | 40 | 187 | 90 | 200 |
| SUS304N1 | 275 | 550 | 35 | 217 | 95 | 220 |
| SUS304N2 | 345 | 690 | 35 | 248 | 100 | 260 |
| SUS304LN | 245 | 550 | 40 | 217 | 95 | 220 |
| SUS304J1 | 155 | 450 | 40 | 187 | 90 | 200 |
| SUS304J2 | 155 | 450 | 40 | 187 | 90 | 200 |
| SUS316 | 205 | 520 | 40 | 187 | 90 | 200 |
| SUS316L | 175 | 480 | 40 | 187 | 90 | 200 |
| SUS316N | 275 | 550 | 35 | 217 | 95 | 220 |
| SUS316LN | 245 | 550 | 40 | 217 | 95 | 220 |
| SUS316Ti | 205 | 520 | 40 | 187 | 90 | 200 |
| SUS316J1 | 205 | 520 | 40 | 187 | 90 | 200 |
| SUS316J1L | 175 | 480 | 40 | 187 | 90 | 200 |