... .00.40-0.80Appications:440C Stainless steel is a type of modern steel and famous for its high corrosion resistant, wear resistance, strength ... (60 HRC). It has good resistance to the atmosphere, fresh water and mild acids. It has best resistance in the hardened ... ,G16,G14,G12,G10Any further Information,Plz contact us! 8mm High Quality Stainless steel ball