GOST 05X20ЦΦЮ
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.05 | |||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| P | 0.030 | |||
| S | 0.020 | |||
| Cr | 19.50 | 21.50 | ||
| Ni | 0.60 | |||
| Mo | 0.30 | |||
| Nb | 0.20 | |||
| Zr | 0.51 | 0.80 | ||
| Al | 0.15 | 0.45 |
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