Grinding Balls and Other Grinding Media: Key consumables
The Isa Mill is more efficient when using small media (i.e. high-chrome steel balls). Rotary Mills: Small cylpebs (<1") ... SAG Mills: 4"-6" forged-steel balls are recommended. Cast balls are not agood choice. Their outer crust is hard (typical Brinell hardness > 450). Cast grinding balls cannot sustain the high impact of SAG mill ...
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