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GBT NS131

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
Max 0.05 Max 0.70 Max 1.00 Max 0.030 Max 0.030 19.0-21.0 42.0-44.0 12.5-13.5