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We make Steel

Sidenor is a steel company, leader in the European steel industry for the production of special steel long products. It is also an important supplier of cold finished products in the European market. The company has production centers in Basque Country, Cantabria and Catalonia as well as business delegations in Germany, France, Italy and the U.K.
The company has highly specialized facilities offering solutions for all industrial sectors requiring high quality steel services.
European leader
in Special Steel
Long Products

Full range of rolled products (wire rods, bars, flats, billets), cold finished (cold-drawn, peeling/turning and straightening) and continuous casting semi-finished products (billets, rectangular and rounded blooms) in carbon steels, free cutting steels, alloyed steels, spring steels, microalloyed steels, cold forming steels…

Internal service providers
Scrap/alloy surcharges

We are Innovation

Our vision is to be the metallurgical reference of both Sidenor and its customers. The activity of Sidenor R&D focuses on increasing competitiveness through improvements and innovations in Quality, Costs, Productivity and Product Development with our customers.


Products and Developments

Sidenor Units in Europe

Sidenor Latest News

  • Sidenor will attend the second edition of the EUROFORGE conFAIR 2022. This conference and exhibition is designed for suppliers and partners in the forging industry. EUROFORGE conFAIR 2022 will take place in the Palacio Euskalduna in Bilbao on September 28-29th. The fair will gather the......

  • Showa Denko Carbon and Sidenor have concluded a Strategic Supply Partnership (SSP) that will enable both companies to achieve their long-term goals together, giving both a competitive edge along the entire supply chain. The SSP provides a stable platform for protection against the traditional cycli...

  • For the fifth year in a row, Sidenor publishes its Sustainability Report – Non-financial information Statement 2021. The 2021 report compiles the company’s ESG commitment regarding the three big challenges of sustainable development: economic, social and environmental sustainability. Thus, w...