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At the service of our customers

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.

Sidenor’s steel production capacity exceeds one million tons annually, primarily destined to the automobile, machinery, capital equipment, railway, energy, mining and petrochemical industries. In all of these industries, Sidenor’s special steel is used to manufacture reliable products.

The company is at the frontline of the sector thanks to their intense research commitment. Having one of the largest R&D centers in the European steel sector, Sidenor’s technological developments offer optimization of products and processes.

Sidenor barras de acero

Mission, Vision and Values


TO GENERATE VALUE in a sustainable way in the special steels business


To be at the forefront of product and process INNOVATION



Meet customer requirements.


Safety of people.


Focus on Results.

Logo Sidenor blanco


Respected and committed people.


In everything we do.


Economic, social and environmental sustainability.

Basic Principles and Commitments

Health and Safety, Environment, Quality, Energy and Information Security

Equality Plan 2018-2013

2021 Sidenor’s Sustainability Report

Conflict Minerals Reporting Template

Purpose and Scope

Declaration on Steel Products in REACH and SCIP Register on Leaded Steels

Hazardous Substances on Electrical and Electronic Equipment

Restriction of the End-of Life Vehicles