... bottle sprayer,valve,nail polish,air condition,medical material,automotive fittings.Material Composition % MaterialCSiMnPSNiCrMoAISI3040.07 max1.0 max2.0 max0 ... textile industries (valves, pumps and bearings).OUR MAIN PRODUCTS:Stainless steel ball:AISI302,304,316,420,4440CBearing steel balls:AISIE52100Carbon ... ,G14,G12,G10Any further Information,Plz contact us! 8mm High Quality Stainless steel ball