Agent for the treatment of cast iron melts

Details Agent for the treatment of cast iron melts Agent for the treatment of cast iron melts

C - Chemistry, Metallurgy

22

C

C22C 35/00 (2006.01) C22C 37/04 (2006.01)

Patent

CA 2074276

According to the present invention, there is provided an agent based on ferrosilicon for the treatment of cast iron melts before the treatment with spheroidal graphite-inducing elements, especially magnesium, wherein, as additive elements, it additionally contains calcium, aluminium, manganese, zirconium, cerium and lanthanum, the content of iron plus silicon thereby being at least 75% by weight with reference to the weight of all components and the elements zirconium, cerium and manganese additively do not go below the value of 5% by weight. The present invention also provides a process for the production of this agent, as well as a process for treating cast iron melts therewith.

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