apr 01, 2013 27 sep 2012 . the average iron content of pellets is 63 percent. . a simplified flow diagram of these processing steps is shown in figure (using larger pieces of the ore to grind/ mill the smaller pieces), then to pebble or ball mills. more detailed.,iron ore pellets for sale grinding mill china,jun 25, 2013 gulin is a iron ore machine manufacturer in china, and supplies rock crushers and grinding mills for iron ore beneficiation plant. the most commonly used crushers and grinding mills in iron ore crushing and grinding process for iron ore mining are jaw crusher, cone crusher, hammer crusher and ball mill, scm super-micro mill, etc.