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  • Steel for wind turbines

Wind energy

ArcelorMittal Europe is a leading supplier of steels for the wind energy industry, covering heavy plates and coils for towers, long products for foundations, electrical steels for the generator, seamless rolled rings for the Gearbox, Yaw & Pitch.

Steel is used to create more than 80% of the components required to build a typical wind turbine.

Long Products

ArcelorMittal Europe - Long Products' offer includes:

  • SBQ (Special Bar Quality) steels for foundations and flanges
  • merchant bars for the secondary steel of the turbine
  • sheet piles: foundation for on- and near shore wind farms

ArcelorMittal offers a large variety of specific beams suitable for the main frame of the nacelle.

Flat Products

ArcelorMittal Europe - Flat Products produces:

  • Plates for onshore and offshore wind towers
  • High-strength hot rolled coils for onshore bolted towers
  • Offshore and structual steels for wind turbine foundations

Around 85% of all wind turbine towers are built with quarto plate, also known as heavy plate. ArcelorMittal also supplies hot rolled coils of higher strength steels such as Amstrong™. These steels are suitable for taller structures and shell towers. Quarto plates can also be used to manufacture the nacelle.

Flat Products also supplies a full range of electrical steels for both medium- and high-power generators adapted to the different types of technology. These steels possess the required magnetic properties to maximise the amount of energy each turbine can produce. In addition to the electrical grades which meet the EN 10106 standard, ArcelorMittal also offers electrical steels with high permeability or low losses. Different thicknesses are available to meet the requirements of each specific design.


Bearings and gears are key components of a wind turbine. ArcelorMittal’s steels ensure high performance and long life. Seamless rolled ringsteels can be provided in large diameters to meet the requirements of different turbine designs. ArcelorMittal’s offer is completed by our SBQ range (in round or square bars) which is available in sizes up to 200 mm.