CNS CNS 630
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.07 | |||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| P | 0.040 | |||
| S | 0.030 | |||
| Ni | 3.00 | 5.00 | ||
| Cr | 15.50 | 17.50 | ||
| Cu | 3.00 | 5.00 | ||
| Nb | 0.15 | 0.45 |
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