... high quality High productivity Optimum hardness for wear resistance Shear cutter material:5CrNiMo,5CrW2Si,6CrW2Si,3Cr2W8V,4Cr5MoSiV1(H13) This ... series of shear blades which is developed by our company , the life ... all kinds of steel plate rim charge;various hydraulic shear of steel waste,forming shear,flying cross-cutter.Certification we've got: ...