SAG mill forged grinding steel ball

SAG mill forged grinding steel ball The raw material of forged grinding balls are usually as follows: 45# steel, 60Mn, 65Mn, 40Cr, 42 CrMo, B2, B3, B6, etc. grinding media can be manufactured by hot rolling and forging with air hammer. In Shandong ShengYe, the grinding steel balls with 10-70 mm in diameter are manufactured by automatic hot rolling production lines controlled by computer, while diameters within the range of 70-200 mm are forged by air hammer. Currently, forged grinding balls are widely used by the international mining giants in wet grinding, such as Rio Tito, BHP Billiton, Goldfields, MCM, Codelco. In China market, cast ball is in the majority while the demand quantity of forged steel ball is increasing gradually. SD-Gold, Zijin Mining, China Gold, and West mining are also using forged steel balls. In recent years, duet to the high breakage rate of casting balls in SAG mills, forged balls become the only choi…