1910 – 1919:

• In 1910, Armco’s first office is opened in Middletown, Ohio, USA.
• In 1912, installation of the first product ( culvert) in Rio de Janeiro.
• In 1914, Armco’s first factory is opened in Brazil.

1920 – 1929:

• Development of hot rolling process – USA.
• In 1924, the Brazilian government recognizes Armco’s first subsidiary in Brazil.
• In 1925, Armco installs the first culvert plant in São Paulo.

1930 – 1939:

• Armco starts to commercialize steel plates and profiles, electrodes and electric welding equipment.
• Main plant in Middletown, where originated Armco in Brazil (photo).
• Continuous Rolling Process – USA (photo).

1940 – 1949:

• Armco provides products for the construction of several roads, such as Via Anchieta.
• In 1945, it establishes its third plant in Brazil, in Porto Alegre city.
• In 1947, it opened a factory of welded steel pipes for water supply in Honório Gurgel – RJ.

1950 – 1959:

• In 1950, Armco installs another plant and expands its Honório Gurgel facilities.
• Armco stopped the commercialization of imported products and focus on the production of such products.

1960 – 1969:

• Armco entered the sector that would turn it the market leader: steel rolling.
• In 1969, it acquires 60% of Cogeral (Cia. Geral de Laminação) shares, in São Paulo.
• Armco unit in Vila Prudente in 1969 (photo)

1970 – 1979:

• In 1970, Armco acquires the remaining Cogeral shares.
• In 1978, it opens a welding product plant in Sumaré city, São Paulo.
• In 1979, it installs in Vila Prudente rolling equipment from Icopasa increasing the production by 1,500 ton/month (“Project 1500”).

1980 – 1989:

• In 1981, Armco installs Vila Nova unit in São Paulo.
• In 1982, it celebrates its 70 years in Brazil.
• In 1984, it acquires Aços do Brasil rolling operation and becomes the only producer in the Americas of copper coated strips for “Bundy” pipes.
• In 1985, it incorporates Equipetrol, opens the Service Center in São Paulo, and starts LM-04 operations – the largest factory of electrolytic zinc coating in Latin America and the first in Brazil.
• In 1986, it acquires a 78,000-m² factory owned by GE.

1990 – 1999:

• In 1993, Armco becomes a 100% Brazilian company, but a technical assistance agreement with Armco Research in USA ensures technology transfer.
• In 1994, it opens the Effluent Treatment Station (ETS) in Vila Prudente.
• In 1995, it is awarded ISO 9002 certification, launches a new organic coating system for electrogalvanized products and incorporates all Metal Leve rolling activities.
• It invests in several types of equipment: Tandem roller and longitudinal-transversal cut and “dancing” shears.
• In 1996, it creates the “Plantar Project” in Vila Prudente and opens Tecsteel in São Bernardo do Campo.
• In 1997, it opens Aços da Amazônia in Manaus and enters into a joint-venture with the American company ITW (Illinois Tool Works) to create Signode Brasileira S.A.
• In 1998, it launches Projeto Têmpera (“Annealing Project”).

armco in the 21st century

• 2000 – Implementation of digital customer service system, Armco Online, and the second two-chair “Tandem”.
• 2002 – R$ 3 million are invested in the acquisition of two HPH (High Performance Hydrogen) high-convection furnaces.
• 2003 – Vila Nova business unit is open, which is aimed to supply small quantities in a fast and flexible manner. In May, Armco entered into a cooperation agreement with the German BILSTEIN Group, the major and most diversified re-rolled product manufacturer in Europe and one one of the leaders companies in the world. In October, Armco is awarded ISO/TS 16949 and ISO 9001 certifications by BVQI.
• 2006 – May, Armco obtains the adequacy of the Environmental Management System, version 14001. August, the new plant in Manaus Industrial District I was expanded and opened. In October, Armco obtains the adequacy of the Quality Management System, version ISO TS 16949.
• 2007 – April, Aços da Amazônia is nominated for ISO 14001 certification and is awarded ISO 9001 re-certification.
• 2008 – July, Armco starts the activities of the newest company of the Group, Intacta Sistemas de Embalagem Ltda.
• 2009 – September, Plantar Project is awarded LIF prize as the best project in educational area, by Brazil-France Chamber of Commerce.
• 2010 – Armco is recertified by OHSAS 18001 safety standard.
• 2011 – Merger of Tecsteel and Stripsteel companies.
• 2012 – Armco celebrates its 100 years of history and activities in Brazil.
• Dec/2013 – With an investment of R$ 230 million, Armco do Brasil inaugurates Jacarei Plant, in the city of Jacareí, SP, in an area of ​​310 thousand square meters of land and 45 thousand square meters of building area. The production capacity of the plant will be 60-80 tons of steel per year.