Quality steel and heat treatment in one place. Since 1967.

The world-famous plastic mold steel NAK80™ is now available in Turkey.

NAK80’in isim hakkı sahibi ve mucidi Daido Steel’den. Original. Made in Japan.

Ultimate mirror polishability, ultimate machinability.

Daido Steel Resmi Türkiye Distribütörü Önerler’de.

High temperature, high performance. DH31-EX™

DH31-EX, the high performance hot work tool steel of Japanese steel producer Daido Steel, is in stock.

Our NADCAP (Heat Treating) aviation certification has been renewed.

We became the first contract heat treatment company in Turkey to complete the NADCAP certification process.

DCMX, the newgeneration of cold work tool steels.

Aşınma dayanımından ödün vermeden çok yüksek tokluğa sahip olan yeni nesil MATRIX tipi soğuk iş takım çeliği DCMX, Önerler’de.

Try it yourself and see the difference.

Made in Japan.

One-stop heat treatment and steel service for 4 generations.

Special solutions for your products.

Fast and reliable service.

1967 BURSA

About Us

Önerler Steel and Heat Treatment located in the center of the automotive and machinery industry Bursa, Turkey, our founder technical teacher Mr. Adem Öner started heat treatment activities with the electric furnace that he produced himself in 1960s and started importing tool steels and sales services in 1974.

Today, the heat treatment branch of our company meets the heat treatment needs of its customers from a single point with atmosphere-controlled furnaces, vacuum furnaces, nitriding furnaces, and induction hardening machines in its modern facility of approximately 5000 m2 located in BTSO OSB.; Apart from tempering, cementation, gas nitrocarburizing, gas nitriding, vacuum hardening, vacuum cementation, annealing, stress relief treatment, vacuum brazing, tempering, induction hardening, our company also provides technical support services for grinding, test - analysis, and also technical consultation for heat treatment and steel.

Our heat treatment branch was qualified for the QS-9000 certificate in 2001 and the IATF 16949 certificate as of 2006. In order to provide better quality service to space, the aviation and defense industry sector, whose heat treatment demand is constantly increasing in our country, our company has been qualified for the AS9100 quality certificate as of 2020.

The steel sales branch located in the Besevler Industrial Zone with its sales and the stock area. It continues to provide sales services of different types of cold work tool steel, hot work tool steel, plastic mold steel, impact steel, high speed steel, silver steel, powder metallurgical steels, and alloyed carbon steels.

Our company constantly follows the technological developments in its sector. With its investments, our company keeping its position as one of the pioneers in its sector. With our 50 years of experience, experienced staff, and 4 generations of family members, it is the business partner of national and international leading companies in their sector. technological developments in the sector of this technology with the constant pursuit of our investments and our company is one of the pioneers in Turkey with 50 years of experience, experienced staff and three generations duty steel teamed up with management staff is aware of and leader in the industry in thermal processing international and preferred solution of the domestic industry organizations is a partner.