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GBT NS337

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Co(%)
Max 0.03 Max 0.40 0.50-1.50 Max 0.020 Max 0.020 19.0-21.0 Balance 15.0-17.0 Max 0.10 Max 0.10