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ГОСТ 5Χ3Β3ΜΦC

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Cu(%) Nb(%) Ti(%)
0.45-0.52 0.50-0.80 0.20-0.50 0.20-0.50 ≤0.030 2.50-3.20 ≤0.35 0.80-1.10 1.50-1.80 3.00-3.60 ≤0.30 0.05-0.15 ≤0.03