Jiangsu Heat-Resistant Steel, Steel Grades - Jingjiang 310 Metal
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Heat-Resistant Steel Grades, 2848W5
Below are the common heat-resistant steel grades and their standards currently in use:
| Grade | C | Si | Mn | P ≤ | S ≤ | Cr | Ni | Mo | N | Other |
|---|---|---|---|---|---|---|---|---|---|---|
| ZG30Cr18Mn12Si2N | 0.26 ~ 0.36 | 1.60 ~ 2.40 | 11.0 ~ 13.0 | 0.060 | 0.040 | 17.0 ~ 20.0 | — | — | 0.22 ~ 0.28 | — |
| ZG35Cr24Ni7SiN | 0.30 ~ 0.40 | 1.30 ~ 2.00 | 0.80 ~ 1.50 | 0.040 | 0.030 | 23.0 ~ 25.5 | 7.00 ~ 8.50 | — | 0.20 ~ 0.28 | — |
| ZG30Cr20Ni10 | 0.20 ~ 0.40 | ≤2.00 | ≤2.00 | 0.040 | 0.040 | 18.0 ~ 23.0 | 8.0 ~ 12.0 | ≤0.50 | — | — |
| ZG35Cr26Ni12 | 0.20 ~ 0.50 | ≤2.00 | ≤2.00 | 0.040 | 0.040 | 24.0 ~ 28.0 | 11.0 ~ 14.0 | — | — | — |
| ZG25Cr26Ni14 | 0.15 ~ 0.35 | 1.0 ~ 2.5 | ≤2.00 | 0.040 | 0.040 | 19.0 ~ 21.0 | 13.0 ~ 15.0 | — | — | — |
| ZG35Cr28Ni16 | 0.20 ~ 0.50 | ≤2.00 | ≤2.00 | 0.040 | 0.040 | 26.0 ~ 30.0 | 14.0 ~ 18.0 | ≤0.50 | — | — |
| ZG30Cr25Ni20 | 0.20 ~ 0.35 | ≤2.00 | ≤2.00 | 0.040 | 0.040 | 24.0 ~ 28.0 | 18.0 ~ 22.0 | ≤0.50 | — | — |
| ZG40Cr25Ni20 | 0.35 ~ 0.45 | ≤1.75 | ≤1.50 | 0.040 | 0.040 | 23.0 ~ 27.0 | 19.0 ~ 22.0 | ≤0.50 | — | — |
| ZG30Cr15Ni35 | 0.20 ~ 0.35 | ≤2.50 | ≤2.00 | 0.040 | 0.040 | 13.0 ~ 17.0 | 33.0 ~ 37.0 | — | — | — |
| ZG45Cr26Ni35 | 0.35 ~ 0.55 | ≤2.00 | ≤2.00 | 0.040 | 0.040 | 24.0 ~ 28.0 | 33.0 ~ 37.0 | ≤0.50 | — | — |
| ZG40Cr28Ni48W5 | 0.35 ~ 0.55 | ≤2.00 | ≤1.50 | 0.040 | 0.040 | 27.0 ~ 30.0 | 47.0 ~ 50.0 | ≤0.50 | — | W 4 ~ 6 |
| ZG30Cr25Ni35W5 | 0.45 ~ 0.55 | 1 ~ 2 | ≤1.00 | 0.040 | 0.030 | 24.0 ~ 26.0 | 33.0 ~ 37.0 | W 4 ~ 6 | — | Co 14 ~ 16 |
| Co20 | 0.30 ~ 0.50 | ≤2.00 | ≤2.00 | 0.040 | 0.040 | 19.0 ~ 22.0 | 18.0 ~ 22.0 | ≤0.50 | W 2 ~ 3 | Co 18 ~ 22 |
| Co50 | 0.05 ~ 0.25 | 0.50 ~ 1.50 | ≤1.50 | 0.040 | 0.030 | 27.0 ~ 30.0 | 4 | ≤0.50 | — | Co 48 ~ 52 |