ГОСТ 20X12BHMΦ
Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.17-0.23 | Max 0.60 | 0.50-0.90 | Max 0.03 | Max 0.025 | 10.5-12.5 | 0.50-0.90 | 0.50-0.70 | 0.15-0.30 | Max 0.20 |
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