UNS MAR-M 509
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.60 | |||
| Si | 0.05 | |||
| Mn | 0.05 | |||
| Cr | 23.00 | |||
| Ni | 10.00 | |||
| Mo | ||||
| Co | remaining | |||
| W | 7.00 | |||
| Al | ||||
| Cu | ||||
| Ti | 0.20 | |||
| Fe | ||||
| Ta | 3.50 | |||
| Zr | 0.50 | |||
| B | 0.005 |
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