ASTM M44
Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) | W(%) | Co(%) |
|---|---|---|---|---|---|---|---|---|---|
| 1.10-1.20 | 0.30-0.55 | 0.20-0.40 | ≤0.030 | ≤0.030 | 4.00-4.75 | 6.00-7.00 | 1.85-2.20 | 5.00-5.75 | 11.0-12.25 |
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