yes 50% FE is a reasonableo grade of iron ore, needs to be handled / processed more to ore get up to higher iron ore content in form of pellets / brickets. Direct shipping ore DSO is above 70% is just that, does not need to be processed as much,just crushing / sorting, then shipping.DSO is a preffered feed for balst furnaces in the making of Pig Iron, of which when processed steel is made.
