The steel industry is a sector that focuses on the production and processing of steel, a strong and durable metal used in various applications. Steel is primarily made from iron ore, which is extracted from the earth and then refined through processes like smelting. This industry plays a crucial role in construction, manufacturing, and transportation, providing materials for buildings, vehicles, and machinery. The steel industry is characterized by its large-scale operations and significant energy consumption. It includes various stages, such as casting, rolling, and finishing, to create different steel products. Major players in this industry include companies like ArcelorMittal and Nippon Steel, which operate globally to meet the demand for steel in various markets.