GBT GH1138
Chemical composition(mass fraction)(wt.%)
C(%) | Mn(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | B(%) | Nb(%) | Al(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|
Max 0.10 | 1.0-2.0 | 18.0-22.0 | 35.0-40.0 | 2.0-2.6 | 4.5-5.2 | Max 0.008 | 1.0-1.7 | Max 0.5 | Si:Max 0.8,Ce:Max 0.05,N :0.10-0.25,Zr:Max 0.05 |