GB MAR-M 246
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.13 | 0.17 | ||
| Si | 0.20 | |||
| Mn | 0.20 | |||
| S | 0.015 | |||
| Cr | 8.00 | 10.00 | ||
| Ni | Bal | |||
| Mo | 2.25 | 2.75 | ||
| Co | 9.00 | 11.00 | ||
| W | 9.00 | 11.00 | ||
| Al | 5.25 | 5.75 | ||
| Cu | 0.10 | |||
| Ti | 1.25 | 1.75 | ||
| Fe | 1.00 | |||
| Ta | 1.25 | 1.75 | ||
| Zr | 0.03 | 0.08 | ||
| B | 0.010 | 0.020 |
