BT4
Chemical composition(mass fraction)(wt.%)
| C(%) | Si(%) | Mn(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | W(%) | Co(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.75-0.85 | ≤0.40 | ≤0.40 | 3.75-4.50 | ≤0.40 | ≤1.00 | 1.75-2.05 | 18.5-19.5 | 9.00-10.0 | Cu≤0.20,Sn≤0.05 |
| C(%) | Si(%) | Mn(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | W(%) | Co(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.75-0.85 | ≤0.40 | ≤0.40 | 3.75-4.50 | ≤0.40 | ≤1.00 | 1.75-2.05 | 18.5-19.5 | 9.00-10.0 | Cu≤0.20,Sn≤0.05 |