AK Steel is an American steel producer that specializes in manufacturing flat-rolled carbon, stainless, and electrical steel products. Founded in 1899, the company has its headquarters in West Chester Township, Ohio, and operates several manufacturing facilities across the United States. AK Steel serves various industries, including automotive, construction, and appliance manufacturing. In 2020, AK Steel became a subsidiary of Cleveland-Cliffs Inc., a major player in the mining and steel industry. The acquisition aimed to enhance Cleveland-Cliffs' product offerings and expand its market reach. AK Steel is known for its commitment to sustainability and innovation in steel production.