Bearing steel grit ZW Bearing steel grit is made of high chromium bearing steel grit,it goes through material classify?heat treatment?crushing?different size screening?heat treatment production procedures.It can get good microstructure and optimum mechanical characteristics by special heat-treatment,which has features of high wear resistance,high fatigue resistance,low consumption,long lifetime,etc.Bearing steel grit working-life is longer 30% than traditional cast steel grits, the savings from this can be huge. Item Name Bearing steel grit Chemical Composition Carbon (C) 0.80-1.20% Manganese (Mn) 0.60-1.20% Silicon (Si) 0.40-1.20% Chrome (Cr) 0.95-1.50% Sulfur (S) =0.05% Phosphorus (P) =0.05%