1. 1941

    On April 9, President Getúlio Vargas signs a decree creating Companhia Siderúrgica Nacional.

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  2. 1946

    Blast Furnace I is switched on, marking the official inauguration of the plant that would be named the Presidente Vargas Plant as of 1961. The mines Casa de Pedra, in Congonhas, and Arcos, in the city of the same name, both in the state of Minas Gerais, are incorporated into CSN, ensuring its self-sufficiency in iron ore and flux, limestone and dolomite, respectively.


  3. 1954

    In the second stage of expansion, CSN’s production totals 680,000 tonnes/year, soaring to 1 million and 1.3 million tonnes/year, in 1960 and 1963, respectively.

    1.3 Million
    in 1963
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  4. 1961

    CSN’s social arm, the CSN Foundation, is created to undertake initiatives aimed at promoting citizenship in the communities where the company operates.

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  5. 1974

    The annual installed capacity increases successively, reaching 1.7 million tonnes in 1974, 2.5 million tonnes in 1977, and 4.6 million tonnes in 1989.

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  6. 1990

    CSN implements new processes that generate significant gains in metallic sheet production, which reaches one million tonnes per year, making CSN the largest single-location producer in this segment in a single place. The federal government decides to privatize several companies, including CSN, which begins a streamlining and restructuring process.


  7. 1993

    CSN is sold at successive auctions on the Rio de Janeiro Stock Exchange. The government sells 91% of the shares it held and the company begins a period of heavy investments to improve product quality and increase the productivity of its units. CSN issues level 1 American Depositary Receipts (ADRs) (over the counter market) on the New York Stock Exchange (NYSE).

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  8. 1996

    The Company expands its activities to the infrastructure sector through interests in two new hydroelectric power plant projects, Itaguaí Port (RJ), and the MRS railway, integrating its operations.


  9. 1997

    The Company’s shares are listed in Level 2 of the New York Exchange (NYSE). Steel production reaches the record level of 100 million tonnes in the Company’s little more than 50 years of history.

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  10. 1998

    CSN acquires INAL and Intermesa, two important steel distributors headquartered in Rio de Janeiro. The unification of these operation leads to the creation of the new INAL, a subsidiary of the CSN group, currently merged with Prada Embalagens.

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  11. 1999

    The co-generation thermoelectric power plant is inaugurated at the Presidente Vargas Plant, in Volta Redonda (Rio de Janeiro). In addition to supplying 60% of CSN’s energy needs, it represents significant environmental gains.

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  12. 2000

    Inauguration of the Itá Hydroelectric Power Plant, in Santa Catarina, making the company completely self-sufficient in terms of energy. CSN also inaugurated the Tecon container terminal together with Companhia Vale do Rio Doce in Sepetiba Port. Corporate restructuring, whereby CSN eliminates cross-shareholdings with Companhia Vale do Rio Doce. Vicunha Siderurgia increases its interest in CSN from 14.1% to 46.5%, becoming its controlling shareholder.


  13. 2001

    CSN acquires the right to purchase the assets of the U.S. company Heartland Steel and creates CSN LLC, beginning its internationalization process, which is consolidated by the merger of Lusosider, in Portugal, and SWT, in Germany. In the same year, CSN obtains ISO 14001 certification. Blast Furnace 3 and Hot Strip Mill 2 are remodeled, increasing the nominal capacity to 5.6 million tonnes of crude steel and 5.1 million tonnes of rolled products.


  14. 2002

    CSN acquires Metalic, a two-piece steel can manufacturer located in the city of Maracanaú, in the metropolitan region of Fortaleza (Ceará), and the only company to make this high-technology product in Latin America.

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  15. 2003

    As a result of investments and ongoing productivity gains, CSN’s production comes to 5.3 million tonnes. CSN Paraná, the new galvanizing line, is inaugurated, dedicated to the production of coated, galvalume and pre-painted steel. The Company acquires 50% of Lusosider, in Portugal and eliminates cross-shareholdings in the logistics segment between CSN and CVRD. CSN now holds 100% of the Sepetiba Port container terminal (TECON) and 49.9% of Companhia Ferroviária do Nordeste.

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  16. 2004

    CSN acquires the remaining 50% of GalvaSud, in Porto Real, Rio de Janeiro, and now holds this company’s total capital stock.

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  17. 2005

    CSN acquires 100% of the shares of Ersa - Estanhos de Rondônia S.A., a company comprising a tin mine (Mineração Santa Bárbara) and a metallic tin smelter, both in the state of Rondônia. CSN acquires the remaining 50% of Lusosider, in Portugal, and now holds this company’s total capital stock.

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  18. 2006

    CSN acquires Prada, Brazil’s largest manufacturer of steel packaging for the chemical and food industries, with four production units: São Paulo, Araçatuba, Gaspar and Uberlândia. The Company is in charge of the construction project of Nova Transnordestina, which will connect the ports of Pecém, near Fortaleza, and Suape, south of Recife, with its almost 2,000 km of railway lines.

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  19. 2007

    On February 12, the Casa de Pedra mine loads the first vessel with 64,000 tonnes of iron ore for export. CSN features among the world’s largest mining companies. In June, the Arcos unit, in Minas Gerais, begins to adjust its structure in order to be responsible both for extracting the limestone that will continue to supply the Presidente Vargas Plant (UPV), in Volta Redonda, and for producing clinker, one of the main raw materials for cement production in the new CSN Cimentos unit, built inside the UPV. On July 20, CSN buys, though its mining subsidiary, Nacional Minérios S.A (Namisa), Companhia de Fomento Mineral e Participações (CFM), located in the state of Minas Gerais, near CSN’s main mining asset, the Casa de Pedra mine, in Congonhas.

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  20. 2008

    The Company launches Steelcolor, a new type of steel for construction, with the purpose of gaining consolidated markets by replacing post-painted steel and aluminum.

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  21. 2009

    In May, we begin cement production with one competitive advantage: operational synergies are ensured by the use of blast furnace slag from the Presidente Vargas Plant, in Volta Redonda. This unit houses the cement milling operation, with a capacity of 2.4 million tonnes per year. The clinker plant has been operating in Arcos since May 2011, producing 850,000 tonnes per year and supplying 100% of the clinker needs of the Presidente Vargas Plant.

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  22. 2012

    CSN buys a long steel company located in Germany from the group Alfonso Gallardo, S.L.U. ("Grupo Gallardo"). The acquisition includes the distributor Gallardo Sections and the operation marks the entry of CSN, traditionally a flat steel manufacturer, in the long steel market, which is used in construction and industrial applications. The operation is also another step in the Company’s internationalization.

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  23. 2013

    CSN begins to produce long steel in the new plant in Volta Redonda, completing one of the largest private investments in the state of Rio de Janeiro that year. The Company consolidates its position as a provider of top-quality products for the construction sector.

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  24. 2015

    The new cement plant in Arcos (Minas Gerais) is inaugurated. Its production will increase CSN’s cement capacity to 5.4 million tonnes, opening new markets in the country’s Southeast region. CSN concluded the merger of its mining and related logistics assets with Namisa to form Congonhas Minérios.

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  25. 2018

    Through a innovative initiative that began back in 2017, launched the first step of the Tailing Filtration Plant which eliminates the need and use of dams throughout the production line.

    In our steel industry, over 250 million Brazilian reais (around $45 million dollars) were invested in the renovation of Blast Furnance 3 allowing for an increase in production capacity of around 500K tons per year.

    Development of CSN Inova, reinforcing the company’s commitment to advocate, actively and strategically, through innovation in the ecosystem.

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  26. 2019

    Benjamin Steinbruch, CEO and President, along with other Director board members, rings the opening and closing bells at New York Stock Exchange (NYSE).

    Accomplished a iron ore record sale of over 38,5 million tons.

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  27. 2020

    CSN Mineração changes its indepedent operations of tailings disposal in dams, which now filters, dries and stacks 100% of its waste. Aligned with its pioneer character, becomes the first mining company in Minas Gerais state to have a upstream dams descharacterization.

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  28. 2021

    Another historic event. CSN celebrates its 80th  anniversary with another great accomplishment: CSN Mineração IPO, one of the most anticipated offerings in the stock market exchange. This IPO is among the TOP 10 largest in volume in B3 history.

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Last update on November 19, 2020.

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