E目ectric Arc Furnace Produces molten steeL Steel Refining Facility Iron Ore Coal Injection Natural Gas Continuous Casting: C1181SD Direct Reduction Produces solid. metallic iron from iron ore. Coal ◆ Slabs Thin Slabs Recycled Steel Basic Oxygen Furnace Produces molten steel. Blooms Bi6t体 Coke Oven Coal By-Products 4 Molten Iron Limestone Blast Furnace Produces molten pig iron from iron ore. Pig Iron Casting