iron grinding balls in south africa
iron grinding balls in south africa. iron grinding balls in south africa. Grinding Balls Steel balls ranging from #190; to 5 in in diameter are used Rods range from 1#189; to 4 in in diameter and should be 3 to 4 in shorter than the inside mill length Tube mills are usually fed balls smaller than 2 in whereas 4 or 5in balls are more commonly used for ballmill grinding.