GOST 12X21H5T
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.09 | 0.14 | ||
| Si | 0.80 | |||
| Mn | 0.80 | |||
| P | 0.035 | |||
| S | 0.025 | |||
| Cr | 20.00 | 22.00 | ||
| Ni | 4.80 | 5.80 | ||
| Mo | 0.30 | |||
| W | 0.20 | |||
| Ti | 0.25 | 0.50 | ||
| Al | 0.08 |
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