Quality
A management system focused on continuous improvement and customer satisfaction.
Compliance & Performance
Our Certifications
International standards you can trust at a glance.
Automotive
Quality requirements specific to the automotive industry.
Environment
Control of environmental impacts and regulatory compliance.
Energy
Energy performance driven by measurable objectives.
Health & Safety
Risk prevention and continuous improvement of working conditions.
Steel
your way
Comprehensive Expertise
in Steel Processing
Hot Processing
The material is hot rolled at the Dunes site using high-performance industrial equipment. This initial stage ensures metallurgical consistency and optimal preparation of products for subsequent operations.
Finishing & Heat Treatments
Steel products undergo the necessary heat treatments and finishing operations to achieve the required mechanical properties, dimensional tolerances, and surface quality defined in technical specifications.
Inspections & Controls
Internal integrity, surface quality, and dimensional compliance are verified at every key stage of the process. Mechanical and physico-chemical testing ensures product performance and reliability.
Preparation & Delivery
Products are packaged according to specific customer requirements to ensure protection, traceability, and seamless integration into industrial production lines, both in France and internationally.
1. Hot Processing
The material is hot rolled at the Dunes site using high-performance industrial equipment. This initial stage ensures metallurgical consistency and optimal preparation of products for subsequent operations.
2. Finishing & Heat Treatments
Steel products undergo the necessary heat treatments and finishing operations to achieve the required mechanical properties, dimensional tolerances, and surface quality defined in technical specifications.
3. Inspections & Controls
Internal integrity, surface quality, and dimensional compliance are verified at every key stage of the process. Mechanical and physico-chemical testing ensures product performance and reliability.
4. Preparation & Delivery
Products are packaged according to specific customer requirements to ensure protection, traceability, and seamless integration into industrial production lines, both in France and internationally.
About
Based in Leffrinckoucke, in northern France, Ascodunes is a recognized industrial player in steel processing. The company relies on long-standing expertise in hot rolling, heat treatments, finishing, and quality control to support demanding industrial sectors in France and worldwide.
Thanks to full control of its processes, the expertise of its teams, and a constant commitment to quality, Ascodunes delivers reliable, high-performance steel solutions that meet technical specifications and are tailored to modern industrial production lines.
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years of experience
+
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destinations worldwide
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000
tonnes annual production capacity
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client references
A controlled process
Ascodunes offers comprehensive industrial expertise, covering the entire steel transformation chain — from hot rolling and heat treatments to finishing, inspections, and testing. Each stage is fully controlled to ensure reliable products that meet technical specifications and the requirements of modern industrial processes.
A Controlled Process
Ascodunes offers comprehensive industrial expertise, covering the entire steel transformation chain — from hot rolling and heat treatments to finishing, inspections, and testing. Each stage is fully controlled to ensure reliable products that meet technical specifications and the requirements of modern industrial processes.
Hot Rolling
Finishing
Heat Treatments
Analysis and testing
Latest news
Stay up to date with the latest news from Ascodunes, including key site milestones, industrial projects, and developments in our expertise and commitments. This section reflects the dynamism of our teams and our forward-looking industrial vision.
