... CHEMICALELEMENTS:C:0.7-0.9,SI:0.45-0.75,MN:0.7-1.25,P:0.030MAX,S:0 ... 60-90MM, 3-6MHARDNESS:45-55CHEMICALELEMENTS:C:0.52-0.65,SI:0.17-0.37,MN:0.6-0.12 ... 605.ALLOYED CASTING IRON BALLSHIGH/LOW CHROME CASTING STEEL BALLS SIZES:17-130MMCASTING GRINDING BALL CHEMICAL ELEMENTSNAMEBRANDCHEMICAL ELEMENTS %CSIMNCRMOCUNIPSH-CRZQCR262.0-2 ... 10<=0.036. Mode of packages CONTAINER BAGS,STEEL DRUMS grinding balls mining