Back Up rolls for steel sheets Back Up rolls for steel sheets Specifications1.D80~D900mm2.C35E,C45E,100Cr6,SAE52100,etc. ... Co., Ltd. is a professional manufacturer which mainly produces forged rolls and forged shafts fully in accordance with customers’ requirement in ... products have the properties of high purity, low [P],[S],[O] [H]content, less inclusions, homogeneous carbide spread, high stability ...