AFNOR Z20CN21-12Az
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.15 | 0.25 | ||
| Si | 0.70 | 1.30 | ||
| Mn | 1.00 | 1.50 | ||
| P | 0.040 | |||
| S | 0.030 | |||
| Cr | 20.00 | 22.00 | ||
| Ni | 10.50 | 12.50 | ||
| Mo | ||||
| N | 0.15 | 0.25 |
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