Mineração Usiminas

Through innovation, cutting-edge technology and respect for the environment, Mineração Usiminas seeks to offer an ore with superior quality, higher iron content and low…All this, to serve more effectively Usiminas’ steel mills and domestic and foreign market customers.

USIMINAS STEEL IS BORN HERE

The beginning of the value chain of Usiminas is represented by Mineração Usiminas , a joint venture formed in 2010 from a partnership with the Japanese group Sumitomo Corporation.

In all, Usiminas Mineração has the capacity to produce up to 12 million tons per year.

Products that meet the most stringent requirements of the ore market.

Granulated or Lump Ore: larger miner (between 32 mm and 6.3 mm), used directly in the blast furnaces of steel mills for the production of pig iron.

Sinter feed: thinner ore (between 6,3 mm and 0,15 mm), which is agglomerated via sintering process to allow its use by steel blast furnaces in the sinter form.

Pellet feed: the thinnest of the three types of ore (less than 0,15 mm). It is used mixed to sinter feed or to feed the pelletizing process, which transforms the fine ore into pellets that will be loaded in the steel blast furnaces.
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Check the information about Mineração Usiminas dams:

Dams information

Detailed information about the outsourced companies
Detailed information about the outsourced companies

Results of the analysis and monitoring of the degree of humidity and dam level, with the respective Technical Responsibility Note (A.R.T.)
Results of the analysis and monitoring of the degree of humidity and dam level, with the respective Technical Responsibility Note (A.R.T.)

Biannual analysis of water and dust from tailings, with the respective Technical Responsibility Note (A.R.T.)
Análise semestral da água
Partículas totais em suspensão e Partículas Inaláveis

Dams Stability Status Statement
Declaração de Condição de Estabilidade Barragens Somisa
Declaração de Condição de Estabilidade Barragens Central
Declaração de Condição de Estabilidade Barragem Samambaia

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