B.S. 331S42
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.37 | 0.47 | ||
| Si | 1.00 | 2.00 | ||
| Mn | 0.50 | 1.00 | ||
| P | 0.040 | |||
| S | 0.030 | |||
| Cr | 13.00 | 15.00 | ||
| Ni | 13.00 | 15.00 | ||
| Mo | 0.40 | 0.70 | ||
| W | 2.20 | 3.00 |
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