ARMCO® Pure Iron and Specialty Steels since 1924 | AK Steel
Founded in 1847 as a mine operator, Cliffs is also the largest producer of iron ore pellets in North America. Cliffs' fully integrated portfolio includes custom-made pellets and, by the end of 2020, Hot Briquetted Iron (HBI); flat-rolled carbon steel, stainless, electrical, plate, tin and long steel products; as well as carbon and stainless ...