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Virtuo® OptiScale

A digital brain to process control system for minimizing the primary oxide scale

March 2021
Gallery Virtuo® OptiScale 1
Gallery Virtuo® OptiScale 1


Oxide scale is both a product quality, a productivity and an environmental issue. Steelmakers spend time and money trying to achieve their desired surface quality and remove oxide scale from the furnace. Virtuo® OptiScale is an advanced new digital tool designed to achieve oxide scale efficiently and intelligently. Using lasers and infrared cameras, it scans the steel slab as it passes through the furnace and automatically adjusts furnace parameters to reduce oxide scale and prevent non-adherent oxide scaling. Even better, the software uses machine learning to continually evolve its understanding so that it can predict scale loss for all products being heated in the furnace. The modelling is automatically updated with the latest information from the furnace. With this technology, scale loss can be reduced by up to 30% and the related quality, cost, maintenance and environmental concerns are minimized.

Label Date March 22, 2021
By Fives
From France
Maturity stage Initial market commercialization
Looking For Visibility, Credibility

The environmental benefits

  • 5% to 30% reduction on the scale loss for slab reheating furnaces
  • Optimize the steel product surface quality
  • 6065 tons of yearly savings on the steel production for a 380 t/h reheating furnace
  • 2,1 GWh of annual savings for a 380 t/h reheating furnace

The Financial benefits

  • More than 2 M€ of annual savings for a 380 t/h flat product reheating furnace
  • Payback time under 1 year

Activity Region

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  • Headquarters
  • Activity

Company Profile


Fives, an industrial engineering group with an extensive multi-sector expertise

View company profile
Headquarters 75009 Paris, France

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Fives has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.