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Q215 B

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.09～0.15 ≤0.30 0.25～0.55 ≤0.045 ≤0.045 ≤0.30 ≤0.30 ≤0.30

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