Efficient, custom-engineered vacuum converters

The Vacuum Converter combines the strengths of AOD and VOD technology in a single unit, taking a significant shortcut on the triplex route.
SMSgroup Image SMSgroup Image SMSgroup Image SMSgroup Image


  • Metallurgical VOD performance at AOD process speed
  • Two-stage decarburization in one unit
  • Suitable for special stainless steels as well as for low carbon ferroalloys
  • Upgrades with top lance and CO2 injection available


  • Outstanding metallurgical results: Lowest values of carbon, hydrogen and nitrogen achievable
  • Reduced operational costs: Shorter process times as well as lower consumption of Argon and FeSi
  • Reduced investment costs