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GBT GB 70

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.62-0.70 0.17-0.37 0.50-0.80 0.035 0.035 Max 0.25 Max 0.25

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