Quality
A management system focused on continuous improvement and customer satisfaction.
Compliance & Performance
International standards you can trust at a glance.
A management system focused on continuous improvement and customer satisfaction.
Quality requirements specific to the automotive industry.
Control of environmental impacts and regulatory compliance.
Energy performance driven by measurable objectives.
Risk prevention and continuous improvement of working conditions.
Located in Leffrinckoucke, in the Hauts-de-France region, Ascodunes is a key industrial player in steel transformation. The site is rooted in a strong steelmaking tradition, with over 110 years of history, serving the most demanding industrial sectors in France and internationally.
Ascodunes offers a fully integrated industrial solution, combining hot rolling, heat treatment, finishing operations, as well as quality control and mechanical testing. This complete control of processes ensures reliable, consistent steel products that meet the highest standards and customer specifications.
Thanks to the recognized quality of its production, Ascodunes supports clients across a wide range of industries, including mechanical engineering, energy, oil & gas, wind power, automotive, aerospace, and nuclear.
The company operates on both national and international markets, delivering technical solutions tailored to the most demanding specifications.
Its industrial performance is built on controlled processes, rigorous traceability, and uncompromising standards at every stage of steel transformation.
Ascodunes relies on a structured quality management system aligned with the standards and certifications required in the metallurgical industry.
The company also operates an NF EN ISO/IEC 17025 accredited mechanical testing laboratory (scope available on www.cofrac.fr
), ensuring the reliability of testing, product compliance, and adherence to national and international standards.
This organization guarantees a high level of quality, recognized and trusted by industrial clients.
Beyond technical performance, Ascodunes embeds corporate social responsibility (CSR) into its industrial strategy through concrete and sustainable actions.
The company is actively committed to professional equality and gender balance, skills development, and employee safety. Steel produced via the electric route reflects its commitment to controlling and sustainably reducing its environmental impact.
These commitments are part of a responsible industrial vision, aligned with the expectations of clients, partners, and local communities.
Driven by experienced teams, Ascodunes continues to grow by investing in the performance of its industrial tools, continuous process improvement, and technical support for its clients.
The company reaffirms its ambition to remain a leading industrial partner in steel transformation in Leffrinckoucke, Hauts-de-France, across France, Europe, and worldwide.