ArcelorMittal Europe – Flat Products

Online client newsletter | March 2023


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Future ready

New electrical steel production unit in Mardyck complements St-Chély, triples ArcelorMittal capacity

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ArcelorMittal France Nord is building a new production unit to produce electrical steels at Mardyck in northern France. When it comes onstream in 2024, Mardyck will triple ArcelorMittal’s capacity for electrical steel production. It will therefore provide customers with a vital additional production facility as the society is transitioning to more sustainable mobility and energy independence.

The project of the plant extension at the Mardyck site with new facilities dedicated to electrical steels production.

In Mardyck ArcelorMittal will develop highly digitalized lines

The five new production lines at ArcelorMittal Mardyck will complement those of St-Chély d’Apcher, ArcelorMittal’s existing electrical steels plant. Together the two mills will produce ArcelorMittal’s new and highly valued electrical steels for mobility and industry.

Electrical steel production is a highly specialised process

Hugues Baudin, Electrical Steels Program Director for ArcelorMittal Mardyck

“We are currently working on setting up the new production lines with the final aim for the higher-end products to be available within two and a half years,” explains Hugues Baudin, Electrical Steels Program Director for the mill.

“The first major milestone comes by H2 2024 when the mill will already be able to supply the standard products.”

Knowledge transfer underway

In the interim, Mardyck’s staff are receiving training at ArcelorMittal St-Chély d’Apcher. “We have had exchanges with the Mardyck team for two years already,” notes Bernard Legier, Plant Director of St-Chély. “Now the project has been given the green light, that process is accelerating rapidly.”

Bernard Legier, Plant Director of St-Chély d’Apcher

ArcelorMittal’s electrical steel customers will have a huge advantage when the investment is complete notes Hugues Baudin: “ArcelorMittal will be the only steelmaker in Europe to operate two primary and two finishing plants able to produce electrical steels. Customers – particularly automakers – will benefit as they have two sources of high-quality electrical steels for their applications.”


Both mills will operate to the same standards, guaranteeing a consistent level of quality. “In terms of complexity, producing one tonne of electrical steel is much more demanding comparing to production of any other type of steel,” says Bernard Legier. “ArcelorMittal will continue to invest in both mills to ensure they remain at the same level. As new electrical steel products are developed, we will take steps to ensure they can be produced at both mills to the same high standard.”

Both Mardyck and St-Chély will be equipped to the same level, enabling ArcelorMittal to produce high-quality electrical steels at both

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