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EN EN 31CrMoV9

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.27-0.34 0.40 0.40-0.70 0.025 0.035 2.30-2.79 0.15-0.25 0.15-0.25

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