Electro Aço Altona S.A., together with its subsidiaries, produces, markets, and supplies steel castings and alloys in Brazil, Latin and North America, Europe, Asia, and Africa. It offers steel solutions, including development, project, and process engineering; modeling; molding, steelworks, channel cut and risers, shot blasting, and finish; chemical and spectrometry laboratory, mechanical tests, non-destructive testing, and dimensional; heat treatment; machining; special paints and pickling; and boilermaking. The company serves rails, agricultural machinery, oil and gas, power generation, defense, structural components, construction and mining, dredging, naval, and industrial equipment sectors. It exports its products. The company was formerly known as Auerbach & Werner and changed its name to Electro Aço Altona S.A. in January 1933. Electro Aço Altona S.A. was founded in 1924 and is headquartered in Blumenau, Brazil.