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ASTM CH-12

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%)
0.30-0.40 Max 1.50 Max 0.75 Max 0.030 Max 0.030 4.75-5.75 1.25-1.75 0.20-0.50 1.00-1.70