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  • Our steel faces the wind

Wind energy

The ability to produce green energy on a massive scale is a key challenge for a sustainable future and has become a high priority in many countries. By 2030, renewable sources of energy are expected to provide almost 40 percent of the global electricity supply and wind will be one of the main contributors. [Source: World Energy Outlook 2020, IEA]

To meet demand for clean energy, the quantity of wind turbines that must be produced and installed each year will continue to increase at a very high rate. Achieving this production level requires a strong supply chain, and high quality, innovative products.

Steel accounts for more than 80 percent of the material required to produce a wind turbine. Selecting a reliable partner is essential.


ArcelorMittal’s Quarto plates have already been successfully used to fabricate more than 10,000 onshore and offshore wind turbine towers since 2005. Our Quarto plates for the wind energy sector offer improved strength, workability, and weldability. They can withstand environmental loads, no matter how strong. These steel plates are supplied thermomechanically rolled or normalised, and shot-blasted and/or cut and bevelled on demand.

Our Quarto plates are also used in the manufacture of the jackets and pin piles that keep offshore turbines stable on the sea floor.

ArcelorMittal’s high quality, innovative solutions, and exceptional service performance are helping wind energy customers to contribute to the transition to renewable energy. Our global footprint ensures we can assist customers in this market, wherever they are located.


ArcelorMittal is involved in multiple research programs to improve the steels used in the wind energy industry and create new solutions. Through co-engineering projects, we collaborate with wind turbine developers to identify solutions which offer better performance and the potential for significant savings.

ArcelorMittal can also conduct the following tests as required:

  • Ultrasonic testing
  • Reduced carbon equivalent (CEV) or parameter crack measurement (PCM) values
  • Transversal impact tests
  • Z tests (EN 10164) which identify improved deformation properties perpendicular to the surface of the product
  • Post-weld heat treatment test (PWHT)
  • Weld bead bend test (WBT)

ArcelorMittal also supplies non-oriented (NO), fully processed electrical steels for the medium- and high-power generators which sit at the top of the wind tower. These steels possess all the required magnetic properties to maximise the amount of energy each turbine can produce.