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Molecular formula : CAS :
nature : the use of cast iron ball martensite. Chemical Composition (%) : 62 ~ 3.8 and ~ 4.5 Si3.3, Mn5.0 ~ 7.0, P <0.15, S <0.02 Mg0.03 ~ 0.06, RE0.03 ~ 0.05. Ductile iron manganese in cupola melting, and the ball inoculation that will be iron-manganese. Their organization : globular graphite eutectic carbides + + + martensite retained austenite, hardness about ~ 56 HRC 48. This cast iron production process is simple, low cost, mainly for ball mill grinding balls. Ductile iron manganese greater impact inappropriate for the occasion, otherwise they will be off and the break-up occurred.
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