B.S. 441S49
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.12 | 0.20 | ||
| Si | 1.00 | |||
| Mn | 1.50 | |||
| P | 0.04 | |||
| S | 0.03 | |||
| Cr | 15.00 | 18.00 | ||
| Mo | 0.60 | |||
| Ni | 2.00 | 3.00 | ||
| Se | 0.15 | 0.35 |
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