ASTM T6
Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) | W(%) | Co(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.75～0.85 | 0.20～0.40 | 0.20～0.40 | ≤0.030 | ≤0.030 | 4.00～4.75 | 0.40～1.00 | 1.50～2.10 | 18.5～21.0 | 11.0～13.0 |
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