GOST 05X21H12Γ2БPЩ
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.05 | |||
| Si | 0.20 | 0.80 | ||
| Mn | 2.00 | 2.80 | ||
| P | 0.035 | |||
| S | 0.020 | |||
| Cr | 20.00 | 22.00 | ||
| Ni | 12.00 | 13.00 | ||
| Mo | 0.30 | |||
| Zr | 0.51 | 0.80 | ||
| V | 0.25 | 0.50 | ||
| Al | 0.20 | 0.65 | ||
| Nb | 0.20 |
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