Jinan Houde wear-resistant materials Co., Ltd. specializes in producing steel balls, forged steel balls, ball mill, grinding steel balls provide RCAB material, high hardness materials mining is the preferred abrasive grinding media. RCAB material grinding steel balls, forged steel balls, ball mill, reasonable to add chemical elements, so that the chemical composition of the steel ball more reasonable, more stable physical and mechanical properties, excellent hardness for large non-ferrous metal and black metal materials have good grinding effect. Jinan Houde RCAB chosen material grinding steel balls, forged steel balls, can effectively reduce mining costs, increase productivity, and promote business and increase profits. Chemical Composition: C: 0.72-0.82 Mn: 0.7-1.25 S / P: ≤0.035 Si: 0.17-0.37 Mo: ≤0.15