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Ternium is a leading steel producer in Latin America. It manufactures and processes a broad range of value-added steel products, including galvanized and electro-galvanized sheets, pre-painted sheets, tinplate, welded pipes, and hot-rolled and cold-rolled steel, as well as slit and cut-to-length offerings through its service centers for customers operating in construction, home appliances, capital goods, container, food, energy and automotive industries. Ternium also produces long steel products, such as bars and wire rod, and metal building components.

With an annual production capacity of approximately 11 million tons of finished steel products and 16,700 employees, Ternium has production facilities located in Mexico, Argentina, Colombia, Guatemala, the United States, as well as a network of service and distribution centers in Latin America. In addition, Ternium participates in the control group of Usiminas, a Brazilian steel company.

Ternium shares the Techint Group's high standards of quality, efficiency and industrial technology. Ternium is a public company with its shares listed on the New York Stock Exchange (NYSE: TX).


  • 1969

    Techint establishes a flat steel cold-rolling facility in Ensenada, Argentina.

    Propulsora Siderúrgica starts operations.

  • 1992

    In Argentina, Techint acquires the state-owned Somisa steel company. Together with Propulsora Siderúrgica, they create Siderar.

  • 1997

    The Canning plant is incorporated into Siderar.

  • 1998

    Sidor (Venezuela) is privatized. The Amazonia Consortium, formed by the Techint Group, Hylsamex and Usiminas, wins the tender.

  • 2004

    In Venezuela Sidor acquires Matesi (former Posven) briquette plant in partnership with Tenaris.

  • 2005

    The Techint Group acquires Hylsa in Mexico, which -together with Siderar and Sidor- creates Ternium.

  • 2006

    Ternium begins trading on the New York Stock Exchange under the TX symbol. In Argentina, the Rosario and San Luis welded tube plants are brought on board.

  • 2007

    Ternium is consolidated in Mexico with the incorporation of Imsa.

  • 2008

    In April 2008, the government of Venezuela announces the nationalization of Sidor, and the following July a government authority assumes operational control.

  • 2010

    Ternium acquires a controlling interest in Ferrasa, a Colombia-based company. The acquisition also includes a manufacturer and distributor in Panama.

  • 2012

    Ternium and Tenaris join the control group of Brazil's steel giant Usiminas, together with Nippon Steel and Usiminas employees’ pension fund.

  • 2013

    Ternium inaugurated a new industrial center in Pesquería, Nuevo León, Mexico. The project was developed partly by Ternium in Mexico and partly by Tenigal, a company in which Ternium and Nippon Steel & Sumitomo Metal Corporation hold participations of 51% and 49% respectively.

  • 2016

    Ternium inaugurated the Roberto Rocca Technical School (ETRR) in its industrial facility in Pesquería, Mexico, offering specializations in electro-mechanics and other disciplines.
    In December, Central Eléctrica Pesquería, a 900 MW combined cycle gas power plant in Monterrey, with 30 percent owned by Tecpetrol, 22 percent by Tenaris and 48 percent by Ternium, is inaugurated. With an investment of $1 billion USD, it was designed and built by Techint E&C, and is operated by Tecpetrol while supplying electricity to Ternium and Tenaris in Mexico.

  • 2017

    In September Ternium completed the acquisition of the Brazilian facility CSA, Companhia Siderúrgica do Atlântico, now renamed Ternium Brasil. It is one of the most advanced steel mills in the world with an annual production capacity of 5 million tons of steel slabs per year and 4,100 employees.

Visit the Ternium website