Detailed Product Description High Grinding Steel Ball: Characteristics: A) High hardness B) No breakage C) Even wearing D) Good wear resistance Applied fields: A) Mines B) Cement plants C) Power stations D) Chemical industry Specifications: 1) Diameters: Dia. 17 - Dia. 130mm 2) Hardness: HRC 55-603) Chemical elements: C: 1.6-3.3, Si: 1.0 max, Mn: 2.5 max, Cr: 10-18, P: 0.60 max, S: 0.10 max Outer ...