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GBT 20CrMnMoH

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) B(%) Ti(%)
0.17-0.23 0.17-0.37 0.85-1.20 0.035 0.035 1.05-1.40 0.20-0.30 — —

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