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ASTM ASTM W1-A

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Cu(%)
0.80~0.90 0.10~0.40 0.10~0.40 ≤0.030 ≤0.030 ≤0.15 ≤0.20 ≤0.10 ≤0.10 ≤0.15 ≤0.20