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ASTM M33

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%) Co(%)
0.85~0.92 0.15~0.50 0.15~0.40 ≤0.030 ≤0.030 3.50~4.00 9.00~10.0 1.00~1.35 1.30~2.10 7.75~8.75