ГОСТ 4Χ2Β5ΜΦ
Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) | W(%) | Cu(%) | Ti(%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.30-0.40 | 0.15-0.35 | 0.15-0.40 | ≤0.030 | ≤0.030 | 2.20-3.00 | ≤0.35 | 0.60-0.90 | 0.60-0.90 | 4.50-5.50 | ≤0.30 | ≤0.03 |
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