High Chrome vs Forged Grinding Media - bulk-online.com
Jul 05, 2011· Difference between High chrome grinding media and forged ones 1, the hardness of core and surface for a forged ball is quite different, like the core hardness of 4'ich forged ball is only 48HRC, while for cast grinding media, only 2 degrees different between surface and core. 2, the microstructure for these two kind of grinding medias is quite different, the main working method of cast ball …