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AS X9931

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.27-0.35 0.10-0.35 0.45-0.70 0. 040 0.04 0.50-0. 80 2.30-2.80 0.45-0.65