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 |