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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

  • The steel company will participate in the Wire 2024 fair (Hall 12, Stand A71) where it will present its sustainable steels and its carbon-neutral steels. Sidenor, a steel company committed to innovation and environmental commitment in the steel industry, will attend Wire 2024 in the......

  • The steel company has launched a space to promote its commitment to technological development and creativity in the industrial field Sidenor has reached a relevant milestone with the launch of its Innovation Hub, Sidenor 612, with the aim to organize and structure the company’s commitment......

  • The steelmaking company has established an integral strategy in favour of sustainability in all phases of its value chain through the reduction of greenhouse gas emissions The adoption of this commitment to sustainability is an implicit part of Sidenor’s business philosophy. This responsibility is...