... max,S: 0.1 max. Medium Chromium Alloyed Cast Grinding BallSpecificationφ12,φ15,φ17,φ20,φ25,φ30,φ40,φ50,φ60 ... ,φ70,φ80,φ90,φ100,φ110NameMedium Chromium Alloyed Cast Grinding BallPlace of OriginAnshan Dongtai Wear Resistant Material Co., Ltd ... steel drumDelivery TimeWithin 30daysUsageThe GUAN WANG Medium Chromium Alloyed Cast Grinding Ball is widely used in cement building materials, metal mining ...