ASTM M3 Class1
Chemical composition(mass fraction)(wt.%)
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|
| 1.00~1.10 | 0.20~0.45 | 0.15~0.40 | ≤0.030 | ≤0.030 | 3.75~4.50 | 4.75~6.50 | 2.25~2.75 | 5.00~6.75 |
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|
| 1.00~1.10 | 0.20~0.45 | 0.15~0.40 | ≤0.030 | ≤0.030 | 3.75~4.50 | 4.75~6.50 | 2.25~2.75 | 5.00~6.75 |