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GBT 20CrNi3H

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) B(%) Ti(%)
0.17-0.23 0.17-0.37 0.30-0.65 0.035 0.035 0.60-0.95 2.70-3.25 — —

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