GOST 07X21Γ7AH5
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.07 | |||
| Si | 0.70 | |||
| Mn | 6.00 | 7.50 | ||
| P | 0.030 | |||
| S | 0.030 | |||
| Cr | 19.50 | 21.00 | ||
| Ni | 5.00 | 6.00 | ||
| Mo | 0.30 | |||
| W | 0.20 | |||
| Ti | 0.20 | |||
| N | 0.15 | 0.25 |
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