Model�?�?20-150mm Scope�?Widely used in various mines, cement plants, power plants and chemical industry. 1)High Hardness: Huamin forged grinding steel ball has high hardness: surface hardness can reach to 55-67 HRC, volume hardness 56-64 HRC. 2)High Impact Toughness: impact toughness is more than12J / cm2. 3)Low Broken Rate: peel fragmentation resistance property of over 20000 times. The actual breakage rate is less than 1% and close to 0.
