B.S. 1.4542
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.07 | |||
| Si | 0.70 | |||
| Mn | 1.50 | |||
| P | 0.04 | |||
| S | 0.015 | |||
| Cr | 15.00 | 17.00 | ||
| Ni | 3.00 | 5.00 | ||
| Mo | 0.60 | |||
| Nb+Ta | 5×C | 0.45 | ||
| Cu | 3.00 | 5.00 |
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