Shandong Huamin Steel Ball Joint-stock Co.ltd.

120mm semi-autogenously grinding forged steel balls have excellent surface quality, toughness, impact resistance and wear resistance. It does not break easily and loses its round shape. 1) Generally speaking, forged steel balls have high hardness: the surface hardness can reach 55-67HRC, and the volume hardness is 56-64HRC 2) High impact toughness: impact toughness is greater than 12J/cm2. 3) Low crushing rate: anti-peeling and crushing performance is more than 20,000 times. The actual breakage rate is not more than 1%, close to 0.