... 3.2, Si: 0.5-0.8,Mn: 0.5-0.8, Cr: 16- 18,P: 0.05 max,S: 0.05 max. High Chromium Alloyed Cast ... yearPackagingBag or steel drumDelivery TimeWithin 30daysUsageThe GUAN WANG High Chromium Alloyed Cast Grinding Ball is widely used in cement building materials, ... coating, light industry, magnetic materials. Our grinding ball has the characterisitic of high hardness, good wear resistance and low breakage. The ...