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China Nodular Iron Mill Roll

2012123rolling mill roll weilang products made in china, china trading companyteel rolling mill roll 1nodular cast iron rolls ductile iron with more ni, mo alloy can obtain good pearlite, bainite, martensite matrix organization, and graphite shape for the ball, good thermal conductivity, tensile strength, high by changing the organization as the bainite, martensite and needle ductile iron the.