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ГОСТ BX4Л

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) B(%) Nb(%) Al(%) Ti(%) Other(%)
0.03- 0.10 0.3 0.5 Max 0.015 0.01 32.0- 35.0 Balance 2.3- 3.5 4.3- 5.5 0.008 0.7- 1.3 0.7- 1.3 0.7- 1.3 Ca 0.02