UNIT I • São Paulo • MATRIZ • +55 11 2632 0277 • comercial1@trefita.com.br
UNIT II • São Paulo • +55 11 2795 2555 • comercial2@trefita.com.br
UNIT III • MG • Belo Horizonte • +55 31 3555 5555 • comercial3@trefita.com.br
UNIT IV • SC • Araquari • +55 47 3511 4242 • comercial2@trefita.com.br

Aços Trefita is a company that operates in the market for manufacturing and trading of TREFIED, DERCATED/POLISHED, RECTIFIED, LAMINATED AND FORGENIED STEELS.

Operating for more than 20 years, always based on investments in new technologies, state-of-the-art machinery and equipment, and constant improvement of production processes.

271017 ACOS TREFITA 218
271017 ACOS TREFITA 253

AÇOS TREFITA, ISO 9001:2015 certified, ensures quality and reliability to customers throughout Brazil and Latin America, positioning itself among the leading suppliers in the METAL MECHANICAL sector. We serve several segments such as Forging, Machining, Fasteners, Energy, Mining, among others.

Varied and complete stock, guaranteeing distribution
for the entire Brazilian territory and Latin America.

With headquarters in São Paulo, with facilities covering more than 22 thousand square meters, AÇOS TREFITA took a strategic presence in the state of Minas Gerais in 2006. There, in a region known as a pillar of the Brazilian mechanical industry, the company maintains a 7-thousand-square meter facility. AÇOS TREFITA’s three units collect the biggest and most varied stock of carbon and alloy material in Brazil. The company offers prompt service and bespoke delivery, with technical precision and competitive commercial terms.

Drawn Steels: carbon and alloyed

• Round: 6.35 to 127.0 mm
• Squares: 12.70 to 50.80 mm
• Hexes: 12.70 to 50.80 mm
• Ground: 6.35 to 101.60 mm
• Peeled and polished: 20.00 to 150.00 mm

Rolled Round Bars up to 330.00 mm

Forged steels up to 1500 mm

The total quality of Aços Trefita Ltda is based on the partnership with customers and suppliers, on meeting the applicable requirements and on the satisfaction of customers and other stakeholders through continuous improvement of the quality management system, its processes, products and human resources.



Verification of chemical composition


Unit of measure HBW Load 3000Kgf
Measuring capacity up to (o)320mm

Metallographic Quality Control

With a complete machining infrastructure, AÇOS TREFITA, with its production line, is capable of grinding bars with rough finishing, and executing parts according to the design and projects requested, providing semi quality products.

Safe and reliable products, developed with due respect
to the planet's natural resources.

The TREFITA STEELS product line is composed, among others, of round, square and hexagonal bars of steel for mechanical construction. Its careful traceability system follows all the standards of origin and quality of the raw material, with strict control of the batches from the receipt of the material until delivery to the final customer. Throughout the process, ultrasound tests and laboratory analyses ensure the quality of the products.

Our mission is to offer the best solutions for the supply of steel for mechanical construction, with agility and quality.

Our values

RELATIONSHIPS – We honor our tradition and family spirit; we recognize loyalty, trust, and dedication. We are simple and admire humility.

QUALITY • Our product must be a quality reference, and we support this decision by practicing continuous improvement through the technical training of our professionals and the excellence of our suppliers.

CUSTOMER FOCUS • We listen carefully to our customers and take on any challenge to serve them.

SAFETY AND WELFARE• Our safety is indisputable, we develop self responsibility and take care of each other. We strive to make everyone feel valued, fulfilled, and happy.

CORPORATE SUSTAINABILITY • We take responsibility for our planet, practice waste and risk management. We defend human dignity, respect workers’ rights, and get involved with the community. We vibrate in our prosperity, and that of our customers and suppliers.


Get to know our trajectory of more than 20 years