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AISI ASTM B4N,B4Q

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
Max 0.15 Max 0.60 0.50-0.80 0.40 4.00-5.00 0.25 0.03 0.50

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