... for steel sheets Back Up rolls for steel sheets Specifications1.D80~D900mm2.C35E,C45E,100Cr6, ... : 10000 tons of forged cold rolls, 10000tons of shafts and mechanical parts. These products have the properties of high purity, low ... ) NameSpecificationMaterialWork RollDia. 60~ Dia. 1000mm9Cr2Mo, 86CrMoV7,MC3,MC5,etc.Back Up RollDia. 240~ Dia. 1500mm9Cr2Mo, MC3,MC5,etc.Intermediate Roll≤Dia ...