Howiscast iron differentfor pig iron ? – InterviewSolution

1.	Howiscast iron differentfor pig iron ?
Answer» Solution :Theiron obtainedfromblastfunaceis CALLED PIG iron. It contains about4% carbon and MANY otherimpurities (e.g., S, P, Si, Mn) insmalleramounts. Castiron,on theother hand, is made bymeltingpig iron with scrapironand cokeusinghot airblast.It has slightly LOWER carbon content (about 3%) and isextramelyhard and brittle.

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