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ГОСТ 18X12BMBΦP

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) B(%) Nb(%) Ti(%)
0.15-0.22 Max 0.50 Max 0.5 Max 0.03 Max 0.025 11.0-13.0 0.40-0.60 0.50-0.70 0.15-0.30 0.40-0.70 Max 0.003 0.20-0.40 Max 0.20