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AFNOR 1.4521

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) Other(%)
Max 0.025 Max 1.00 Max 1.00 Max 0.040 Max 0.015 17.00-20.00 1.80-2.50 Ti 12 x (C+N)+0.15-0.80,N 0.030