Production process:

　　Raw materials-heating-forged or rolling into a ball--heat treatment-inspection-packing-

　　storage

　　Heat treatment is our special advantage, with this processing, the hardness of the steel ball gradient uniform distribution

　　Specifications:

　　Diameter: 20 to 150mm

　　Near surface hardness: more than 62 HRC

　　Core Hardness: more than 55 HRC

　　Characteristics:

　　High hardness, the volume hardness is 50-63 HRC, and hardness gradient uniform distribution

　　Good wear resistance

　　Impact toughness more than 12J/cm2

　　Breakage rate less than 0.5%

　　Applications:

　　Mine

　　Cement plant

　　Power station

　　Chemical industry

　　Outer packing:

　　Container bags or steel drum