Founded in 1959, Siderúrgica Alterosa S.A. is one of the major players in the ironmaking industry in the state of Minas Gerais and Brazil.
Pig iron is an iron and carbon alloy produced in blast furnaces through the reaction among iron ore, coal and limestone. It is used as a raw material for the production of steel and other iron alloys, which, for their turn, are employed in the manufacturing of products that are an integral part of people’s daily life in a varied of forms, like vehicles, machines, tools and structural elements of bridges and buildings, among a number of other applications.

Alterosa’s two pig iron plants are located in the city of Pará de Minas, mid-western Minas Gerais state, a strategic region that hosts Brazil’s second largest iron ore reserves. The main plant features a 50,000-MW/year thermoelectric power plant, which provides for the company power self-sufficiency, in addition to resulting in considerable benefits to the environment and the community at large.

The company’s’ production capacity is 288,000 tonnes/year of pig iron in different grades: nodular, special nodular, grey and steelmaking. These products are sold to the Brazilian domestic market, particularly in the south and southeast regions, and foreign customers in North and South America, Europe and Asia.
As the company grew, it established other affiliated companies, nowadays organized as Alterosa Group. Such affiliated companies operate in reforestation, grain production and cattle breeding.
Siderúrgica Alterosa employs around 400 direct and 1,000 indirect personnel.

Siderúrgica Alterosa’s Environmental and Quality Policy

The management of Siderúrgica Alterosa has established its environmental and quality policy. As a producer of nodular, grey and steelmaking pig iron in its plant in Pará de Minas, state of Minas Gerais, Brazil, Siderúrgica Alterosa S.A. is committed to:

  • Stakeholder and customer satisfaction;
  • Compliance with legal, statutory and other environmental and quality requirements applicable to the organization;
  • Environmental protection, mainly by promoting energy sustainability and rational use of natural resources, while properly disposing gas, solid and liquid wastes;
  • Continuous improvement of processes, products and services with an aim to enhance the performance of its Integrated Management System.


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U.S. Dollar exchange rate

Buying Selling
Commercial exchange rate (in R$) 5.6260 5.6270
Tourism exchange rate (in R$) 5.6030 5.7730
Source: UOL Economia

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Our location

Rua Pequi, 189 - Santos Dumont
Pará de Minas | MG | Brazil
CEP: 35660-308

Telephone: +55 (37) 3232-0800
Fax: +55 (37) 3232-0801

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