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GBT GH1138

Chemical composition(mass fraction)(wt.%)

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