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GBT A74204

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%) Ti(%)
0.19-0.24 Max 0.30 1.30-1.60 0.035 0.035 — 0.0005-0.0035 0.02 0.04-0.10

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