CONVAC is an alternative production route for stainless and special steel grades and offers significantly reduced production costs. The vacuum converter process technology combines the specific strengths of AOD and VOD in a single unit, taking a significant shortcut in stainless and special steelmaking routes and adding a new option for ferroalloy refining.
Customer challenges addressed
- 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
- 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
- High decarburization rate
- Excellent deep desulphurization
- Excellent degassing for nitrogen as well as hydrogen
- Upgrades with top lance and CO2 injection available