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ГОСТ 31X19H9MBБT

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Nb(%) Ti(%)
0.28-0.35 Max 0.80 0.80-1.50 Max 0.035 Max 0.02 18.0-20.0 8.00-10.0 1.00-1.50 1.00-1.50 0.20-0.50 0.20-0.50