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GBT S32720

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) Ti(%)
0.21-0.28 0.3-0.8 0.7 0.03 0.025 17.0-19.0 7.5-8.5 2.0-2.5 0.66(4C)

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