Electric Arc Furnace Steelmaking: Controlling Scrap, Energy, Foamy Slag, and Melt-Shop Performance
An electric arc furnace, commonly called an EAF, melts and refines steel through electrical arcs while combining a recyclable metallic charge with chemical energy, engineered slag practice, and downstream secondary metallurgy. It is the central melting unit of many mini-mills and scrap-based steel plants, yet the phrase “electric arc furnace steelmaking” describes much more than a furnace shell and graphite electrodes. The commercial result depends on scrap preparation, direct reduced iron (DRI) or hot-briquetted iron (HBI) strategy, transformer capacity, oxygen and carbon injection, foamy slag stability, water-cooled equipment, refractory life, fume capture, tapping practice, and the discipline of turning heat data into repeatable decisions.