... hardness, good wear resistance and low breakage. High Chromium Alloyed Cast Grinding BallSpecificationφ12,φ15,φ17,φ20,φ25 ... 30,φ40,φ50,φ60,φ70,φ80,φ90,φ100,φ110NameHigh Chromium Alloyed Cast Grinding BallPlace of OriginAnshan Dongtai Wear ... NameGUAN WANGSupply Ability50000Ton per yearPackagingBag or steel drumDelivery TimeWithin 30daysUsageThe GUAN WANG High Chromium Alloyed Cast Grinding Ball is ...