... .C35E,C45E,100Cr6,SAE52100,etc.3.Induction Hardening4.cold rolling5.High quality and performanceHenan Zhongyuan Roller Shaft Co., Ltd. is ... shafts and mechanical parts. These products have the properties of high purity, low [P],[S],[O] [H]content, less inclusions, homogeneous ... carbide spread, high stability and long fatigue lift. We are selling a lot ...