Electric Arc Fumace Produces molten steel. Steel Refining Facility Iron Ore Coal Injection Natural Gas Continuous Casting: C○ Direct Reduction Produces solid. metallic iron from iron ore. Slabs Thin Slabs Recycled Steel Basic Oxygen Furnace Produces molten ste间. B00 Billets Coke Oven Coal By-Products Molten Iron Limestone Blast Fumace Produces motten pig iron from iron ore. Pig Iron Casting