Steel Grinding Ball,Forged Grinding Steel Ball,Grinding ...
Big size air hammer forged grinding balls ZW air hammer forged ball size 50 150mm air hammer 20 40mm use hot rolling auto production line ZW big size forged ball suggest use 60Mn material which specification as following Chemical composition C 0 55 0 65 Si 0 17 0 37 Mn 0 7 1 0 Cr 0 25 P 0 04 S 0 04 Ni 0 3 Cu 0 25...
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