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ISO 40CrMnNiMo8-6-4①

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.35-0.45 0.20-0.40 1.30-1.60 ≤0.030 ≤0.030 1.80-2.10 0.90-1.20 0.15-0.25

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