... P: 0.1 max,S: 0.1 max. Low Chromium Alloyed Cast Grinding BallSpecificationφ20,φ25,φ30,φ40,φ50,φ60,φ70 ... ,φ80,φ90,φ100,φ110,φ120,φ127,φ135NameLow Chromium Alloyed Cast Grinding BallPlace of OriginAnshan Dongtai Wear Resistant Material ... yearPackagingBag or steel drumDelivery TimeWithin 30daysUsageThe GUAN WANG Low Chromium Alloyed Cast Grinding Ball is widely used in cement building materials, metal ...