... for steel sheets Back Up rolls for steel sheets Specifications1.D80~D900mm2.C35E,C45E, ... ≤50tons) NameSpecificationMaterialWork RollDia. 60~ Dia. 1000mm9Cr2Mo, 86CrMoV7,MC3,MC5,etc.Back Up RollDia. 240~ Dia. 1500mm9Cr2Mo, MC3,MC5,etc.Intermediate Roll ... .8 Marking:Heat Number, Order Number, Made in China on bar end9 Packing:wooden box or metal pallet for protection against ...