- CEO
- Enéas Garcia Diniz
- Full Time Employees
- 7,796
- Sector
- Non-energy minerals
- Industry
- Steel
- Address
- Av. Brigadeiro Faria Lima Itaim Bibi SP Brazil 04538-132
- IPO Date
- Feb 18, 2021
- Business
- CSN Mineração S.A. is a leading iron ore mining company in Brazil, operating as the primary mining subsidiary of Companhia Siderúrgica Nacional (CSN). The company specializes in iron ore extraction and processing, with key assets including the Casa de Pedra and Engenho mines, along with the Pires processing complex. Its product portfolio encompasses lump ore, sinter feed, pellet feed, grain, sinter feed concentrates, and iron ore pellets. CSN Mineração also manages logistics operations through its participation in the MRS railway and an iron ore export terminal at the Port of Itaguaí (TECAR), facilitating efficient transportation of mined ore for both domestic and international markets. Additionally, the company operates a hydroelectric power plant and has mining operations for limestone and tin through its subsidiaries. Founded in 2015 and headquartered in the state of Minas Gerais, Brazil, CSN Mineração is the second largest iron ore exporter in Brazil and ranks among the top five in global seaborne iron ore markets.
Recent major company developments include the acquisition of a 10.74% equity stake by Japan’s Itochu Corporation from Companhia Siderúrgica Nacional in November 2024, marking a strategic partnership that enhances CSN Mineração’s investment profile and international reach. This transaction valued the stake at approximately 4.42 billion Brazilian reais ($769 million). In 2025, CSN Mineração authorized the disposal of up to 53.3 million shares held in treasury to provide management with increased financial flexibility. Operationally, the company continues to expand its production capacity at Casa de Pedra, which currently has an output capacity of 30 million tons per year. CSN Mineração remains focused on the sustainable growth of its iron ore production and logistics capabilities, reinforcing its position in Brazil and the global iron ore market.
The company serves industrial customers in steel production, construction, packaging, and automotive sectors domestically and abroad, exporting high-quality iron ore products worldwide. It is headquartered in Minas Gerais, Brazil, and operates extensive mining and processing facilities primarily in the Iron Quadrangle region. CSN Mineração’s business segments encompass iron ore mining, ore processing, logistics (rail and port operations), and energy production through its hydroelectric assets, reflecting its integrated approach to resource extraction and supply chain management.