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19MnB4

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) B(%) Al(%)
0.17-0.24 Max 0.40 0.80-1.15 Max 0.035 Max 0.035 0.0008-0.0050 Max 0.020

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