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ГОСТ 12Χ1

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Cu(%) Ti(%)
1.15-1.25 0.15-0.35 0.30-0.60 ≤0.030 ≤0.030 1.30-1.65 ≤0.35 ≤0.20 ≤0.15 ≤0.20 ≤0.30 ≤0.03