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BH21A

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Other(%)
0.20-0.30 ≤0.40 ≤0.40 2.25-3.25 2.00-2.50 ≤0.60 ≤0.50 8.50-10.0 Cu≤0.20,Sn≤0.05