B.S. 2HR2
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.13 | |||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| P | ||||
| S | 0.015 | |||
| Cr | 18.00 | 21.00 | ||
| Ni | remaining | |||
| Mo | ||||
| Co | 15.00 | 21.00 | ||
| Ti | 2.00 | 3.00 | ||
| Fe | 1.50 | |||
| Al | 1.00 | 2.00 | ||
| Cu | 0.20 | |||
| B | 0.020 | |||
| Bi | 0.0001 | |||
| Pb | 0.002 | |||
| Ag | 0.0005 | |||
| Zr | 0.15 |
