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GBT ASTM E2N,E2Q

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Cu(%)
Max 0.20 Max 0.60 0.40-0.70 Max 0.020 Max 0.020 1.50-2.00 2.75-3.90 0.40-0.60 0.03 0.10 0.50