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GBT 20CrH

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Ti(%) Other(%)
0.17-0.23 0.17-0.37 0.50-0.85 0.035 0.035 0.70-1.10 — — —

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