... cost and cast furnace iron making rate. 2.This machine is also suitable for iron powder, alloy powders, ferrosilicon powder, ... yield, low energy consumption, discharge uniform, 2.particle size is adjustable,low noise, smooth operation,3.raw material no pollution, simple ... 3. Choose special blade, blade hardness is not lower than HRC55 ( HRC hardness of blade is 51 degrees) 4. Strong structure, with ...