... paint grinding,chemical industry,food indystry,power plant. Density :7.833g/cm3 Grade : 5~millingSize :0.5mm~1"2.Stainless Steel BallMaterials ... : SS440C, SS420, SS316, SS304; AISI440C, 420, 316, 304;Grade:G16, G28, G40, G60, G100, G200, G500, G1000;G2000;Size ... peripheral products,toys,metal milling,hand tools and etc. Density :7.861 g/cm3 Grade : 80~millingSize :1.0mm~1"