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ASTM T2

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%)
0.80~0.90 0.20~0.40 0.20~0.40 ≤0.030 ≤0.030 3.75~4.50 ≤1.00 1.80~2.40 17.5~19.0