Who we are - ArcelorMittal Tubarão

Our history

From 1983 to 2013 ArcelorMittal Tubarão wrote its history of continuous contribution to the sustainable development of Espirito Santo, Brazil and the world steel sector.


The plan to build a new steel making plant in Espirito Santo started in the beginning of the 60s. The goal was to make the best use of the logistics advantages of Vitoria, the state capital city, integrating the railroad network bringing iron ore from Minas Gerais, and the access to the ocean to receive a very important raw material - coal - and to flow the production.

On March 13th, 1974 Companhia Siderúrgica de Tubarão (CST) was officially set up after being legally constituted as a partnership between the Brazilian government and two international companies, the Japanese Kawasaki and the Italian Finsinder. The ground work started on March 27th, 1978 and on May 2nd, 1980 the first steps for the civil works started with the excavation for the blast furnace. At the same time the team to implement and operate the new plant was put together.

In January 1983 the first loads of coal and ore arrive at the company. The Coke plant operates the first coke drawing on July 4th. The Sinter plant starts operation on September 12th. On November 30th the company is officially open with the blow-in of the blast furnace and the production of the first steel slab. Thus starts a unique history of corporate development characterized by the determination of doing more and better in all dimensions of our work.



The official Blast Furnace blow-in ceremony - ArcelorMittal Tubarão

On November 30th, the official Blast Furnace blow-in ceremony marks the plant start-up. The result of a U$3 billion investment, the plant is one of the largest and most modern of the Americas with a production capacity of 3 million ton/steel slabs a year.


The Total Quality Control Program (TQC) is created to invest in the qualification of the teams making use of the talents to consolidate a culture of continuous search for improvement in all areas of the company.


The company reaches above nominal capacity production level. Foreign sales reach US$1.6 billion and the company becomes one of the 10 largest Brazilian export companies.


The Praia Mole Port Steel Products Terminal (TPS) starts to be managed by the company. The construction of the Green Belt starts in the company surrounding area representing 140 thou m2 of vegetation coverage planned to work as an environmental control system.


The volume of slabs sold surpasses 3 million tons - ArcelorMittal Tubarão

For the first time in the company history the volume of slabs sold surpasses 3 million tons totalling 3,103,936 tons.


Funssest is created aiming to offer employees a complementary pension fund.


The company closes the year as the third largest Brazilian export company - ArcelorMittal Tubarão

The company closes the year as the third largest Brazilian export company, despite the world crisis in the steel slabs segment.


CST is included in the National De-statization Program launched by the government; studies to guide the privatization process start.


In order to foster employees' development in the maintenance area, the company creates, in partnership with the Brazilian Maintenance Association (Abraman), the National Program for Maintenance Professionals Qualification and Certification.


On July 16th, the shares of Companhia Siderúrgica de Tubarão are traded in an auction - ArcelorMittal Tubarão

On July 16th, the shares of Companhia Siderúrgica de Tubarão are traded in an auction at the Rio de Janeiro Stock Exchange consolidating the privatization of the company.


The company carries out the first Christmas Concert - ArcelorMittal Tubarão

The company carries out the first Christmas Concert, a celebratory event for the population which became part of the state capital city festivities calendar and had 15 editions.


The Nossa Escola (Our School) project starts activities - ArcelorMittal Tubarão

The Nossa Escola (Our School) project starts activities aiming at fostering employees' educational background improving schooling profile. It was developed in partnership with Espirito Santo Industry Social Service (SESI-ES) to provide employees with the opportunity to complement their primary and secondary education inside company premises at no cost.


The first Continuous Casting Machine starts operation and the company enters the second stage of investments of over US$ 900 million including, among other items, the construction of a second blast furnace and a second continuous casting machine.


The company receives the first Quality Certification to ISO 9001 requirements. The Interagir Environmental Education Program starts, structured in modules, aiming at qualifying employees to actively work in the company environmental management.


The company is among the 30 best companies in the country and included among the five benchmarks for excellence programs.


Second Blast Furnace and Continuous Casting Machine - ArcelorMittal Tubarão

The second Blast Furnace and Continuous Casting Machine start operation increasing production capacity to 4.5 million tons/year.

A new investment plan is launched bringing over US$720 million for the implementation of a Hot Strip Mill (HSM).


The third power plant starts operation and the company, which had so far produced most of the energy needed for its operation, becomes self-sufficient and starts to trade energy surplus in the market.


The first women are hired to work in operational positions in relay shift work schedule.


The company Environmental Management System is certified to ISO 14.001. The company closes the year with a production of 4.78 million tons of crude steel and the position of largest steel producer in Brazil.


The Hot Strip Mill starts operation - ArcelorMittal Tubarão

In November the Hot Strip Mill starts operation and produces 118 thou tons of hot rolled coils until the end of the year. This new equipment allows the company to expand its product mix and to start trading in the domestic market in a more value added segment.


The company announces its investment plan - ArcelorMittal Tubarão

The company announces its investment plan to expand production capacity to 7.4 million tons/year.


The Nossa Escola (Our School) project ends after 10 years of work. Besides accomplishing its initial goal of graduating 1,200 employees in Secondary School the program was extend to employees' wives and husbands as well as contractor's workers bettering the schooling of 2,734 people.


Tubarão is integrated with the Arcelor Group - ArcelorMittal Tubarão

Tubarão is integrated with the Arcelor Group becoming CST-Arcelor Brasil.


The company becomes part of the ArcelorMittal Group, the world largest steel producer, and receives its current name: ArcelorMittal Tubarão.


The company launches its Somar Program to qualify people with special needs.


The second HSM reheating furnace starts operation - ArcelorMittal Tubarão

The second HSM reheating furnace starts operation increasing hot rolling production capacity to 4 million tons/year.


The company becomes the first Zero Tobacco steel producer in Brazil.


ArcelorMittal Tubarão choir 25th anniversary is celebrated with a concert at the Carlo Gomes Theatre, in Vitoria.


Another ArcelorMittal Tubarão Carbon Credit Project is granted trading authorization by UN. This time the project is based on Sol Coqueria heat recovery process for energy production and has a potential to generate 2.5 million tons of CO2 in ten years.


ArcelorMittal Tubarão celebrates 30 years in operation with a strategy based on gaining productivity maintaining quality indicators, accomplishing Zero Accidents, improving environmental management, and participating more and more in the sustainable development of Espirito Santo, Brazil and the world steel sector.

Did you know?

  • World Leadership - ArcelorMittal Tubarão

    World Leadership

    Present in over 60 countries and having over 250 thousand employees, the ArcelorMittal Group is a world leader in the production of flat and long steel.

    Having a management model based on three pillars – sustainability, quality and leadership – the Group continuously invests in new technologies aimed to improve the production process and keep the units at the forefront of the world steel sector.

  • People from everywhere - ArcelorMittal Tubarão

    People from everywhere

    In order to build and put the plant in operation Tubarão received professionals from other states and even countries such as Japan and Italy. Determined to contribute to the excellence of the new steel production plant they built a unique corporate culture focused on quality with stability, discipline with happiness and responsibility with creativity.

  • Suitable Location - ArcelorMittal Tubarão

    Suitable Location

    Besides its logistics advantages, ArcelorMittal Tubarão location made it possible to incorporate in its design a modern and efficient sea water system for equipment cooling purposes.

    After being used without no direct contact with any equipment the sea water is returned to the ocean with no change to its initial characteristics.

  • Integrated Plant - ArcelorMittal Tubarão

    Integrated Plant

    ArcelorMittal Tubarão is an integrated steel production plant, which means that the unit carries out all the steps of the steel production process: coke, sinter and pig iron production, hot metal production, slab casting and rolling.

    The plant also produces all the electric power needed in the production in thermo electrical stations using the steam and gases from its production processes.