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  1. How to choose the material of roller

    [2020-07-03]

    1.The selection of work roll material the work roll (R1) in the front section of roughing mill: the Work Roll in the front section of roughing mill must have strong toughness, wear resistance and hot cracking resistance. The hardness range is about HS40 -- 55. 60CrNiMo cast steel rolls are generallyused.


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