ГОСТ ΧΒ4Φ
Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) | W(%) | Cu(%) | Ti(%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.25-1.45 | 0.15-0.35 | 0.15-0.40 | ≤0.030 | ≤0.030 | 0.40-0.70 | ≤0.35 | ≤0.20 | 0.15-0.30 | 3.50-4.30 | ≤0.30 | ≤0.03 |
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