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ISO Χ12Φ

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Cu(%) Ti(%)
1.25-1.45 0.15-0.35 0.15-0.40 ≤0.003 ≤0.003 11.0-12.5 ≤0.35 ≤0.20 0.70-0.90 ≤0.20 ≤0.30 ≤0.03