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Q275

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.28~0.38 ≤0.35 0.50~0.80 ≤0.045 ≤0.050 ≤0.30 ≤0.30 ≤0.30