Product Name: Backup Roll Application: All Kinds of Mills in Ferrous Metal and Non-Ferrous Metal Specifications: Description Backup Roll Material 2%Cr, 3%Cr and 5%C Steel, Forged Semi High Speed Steel, Or Customized Material Standard EN10083 Specification Max. O.D 2800mm, Max. L 28000mm Key Customers: GE-Energy,Siemens,Alstom,Hitachi,SMS-Siemag,Danieli,Vestas,Andritz,Howden,TDPS,Sandvik,Thyssenkrupp,U.S.Pipe,PAM,Suzlon,ABB,Dresser-Rand,Electrotherm,etc.