... industry,plastic hard ware,scent bottle sprayer,valve,nail polish,air condition,medical material,automotive fittings.Material Composition % MaterialCSiMnPSNiCrMoAISI3040.07 ... 0.80Appications:440C Stainless steel is a type of modern steel and famous for its high corrosion resistant, wear resistance, strength ... G16,G14,G12,G10Any further Information,Plz contact us! 8mm High Quality Stainless steel ball