等级 | Ti | C | Si | Al | Mn | P | S | Cr | Ni | Mo | Cu |
A | 65.0~75.0 | 0.15 | 0.25 | 0.5 | 0.5 | 0.05 | 0.05 | 1 | 0.05 | 0.05 | 0.15 |
B | 65.0~75.0 | 0.2 | 0.25 | 5 | 1.5 | 0.05 | 0.05 | 1 | 0.05 | 0.25 | 0.2 |
C | 35.0~45.0 | 0.15 | 5 | 8 | 1.5 | 0.1 | 0.05 | 1 | 0.05 | 0.25 | 0.2 |
D | 15.0~25.0 | 5 | 5 | 8 | 1.5 | 0.1 | 0.05 | 1 | 0.05 | 0.25 | 0.2 |
等级 | Ti | Co | V | Pb | As | Bi | Sn | Zn | Zr | B | N |
A | 65.0~75.0 | 0.03 | 0.5 | 0.01 | 0.01 | 0.01 | 0.05 | 0.01 | 0.1 | 0.01 | 0.15 |
B | 65.0~75.0 | 0.05 | 1.5 | 0.03 | 0.01 | 0.01 | 0.05 | 0.02 | 0.5 | 0.02 | 0.2 |
C | 35.0~45.0 | 0.05 | 1.5 | 0.03 | 0.01 | 0.01 | 0.05 | 0.02 | 0.5 | 0.02 | 0.2 |
D | 15.0~25.0 | 0.05 | 1.5 | 0.05 | 0.01 | 0.01 | 0.05 | 0.02 | 0.5 | 0.02 | 0.2 |