GB GH1138
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.10 | |||
| Cr | 18.0 | 22.0 | ||
| Mo | 2.0 | 2.6 | ||
| Ni | 35.0 | 40.0 | ||
| W | 4.5 | 5.2 | ||
| Al | 0.5 | |||
| Nb | 1.0 | 1.7 | ||
| B | 0.008 | |||
| Fe | Remainder | |||
| Mn | 1.0 | 2.0 | ||
| Si | 0.8 | |||
| Ce | 0.05 | |||
| N | 0.10 | 0.25 | ||
| Zr | 0.05 |
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