... for steel sheets Back Up rolls for steel sheets Specifications1.D80~D900mm2.C35E,C45E ... .3.Induction Hardening4.cold rolling5.High quality and performanceHenan Zhongyuan Roller Shaft Co., Ltd. is a professional manufacturer which mainly ... 50tons) NameSpecificationMaterialWork RollDia. 60~ Dia. 1000mm9Cr2Mo, 86CrMoV7,MC3,MC5,etc.Back Up RollDia. 240~ Dia. 1500mm9Cr2Mo, MC3,MC5,etc.Intermediate Roll ...