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GBT 40MnBH

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Ti(%) Other(%)
0.37-0.44 0.17-0.37 1.00-1.40 0.035 0.035 Max 0.35 0.0005-0.0035 — —

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