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ГОСТ XH28BMAБ

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) N(%) B(%) Nb(%)
Max 0.10 Max 0.60 Max 1.50 Max 0.03 Max 0.02 l9.0-22.0 25.0-30.0 2.80-3.50 4.80-6.00 0.15-0.30 Max 0.005 0.70-1.30