- You are here:
- Production Facilities
Product Facilities
Scrap bay
Electric-arc furnace
Ladle furnace
Wire injection
Continuous caster
Ingot pouring stations
Annealing furnace
Scrap bay
- Scrap receiving inspection including 100 % radioactivity testing
- Scrap bay capacity = 8-9.000 M
- Scrap bucket charging cranes (grab & magnet-equipped crane)
- Self-propelled, remote-controlled scrap chute transfer cars
- Weighing system for scrap bucket charging
to top
Electric-arc furnace
- 90 MT UMP electric-arc furnace - 85 MVA alternating current
- Tap-to-tap time: 65 min
- O2 & C lance manipulator
- Water-cooled roof and wall panels
- Primary dedusting system
- Basic refractory lining
- Melting under "oxidising" conditions
- Foamed slag
- Tapping temperature: 1690 oC - 1700 oC
- Submerged taphole with slidegate
- Minimisation of slag carryover
to top
Ladle furnace
- Al & SiMn deoxidation during electric-arc furnace tapping
- Composition controlled by means of an automatically operated bin system
- Homogenisation of temperature and alloy composition by means of Al stirring
- Adjustment of chemical composition to customer specifications
- Desulphurisation
- Adjustment to required casting temperature
- Ladle furnace cycle time: 60 minutes
to top
Wire injection
- Four-strand wire injection facility (carbon, aluminum, sulphur, CaSi, Zr)
- Combined treatment of heats (chemical analysis, control of non-metallic inclusions)
- High alloy yield
- Reduced reoxidation
to top
Continuous caster
- Casting machine: 2 strand (sperated mechanically/ electrically from one another)
- Ladle System: one ladle per strand
- Ladle heating system (close control of the casting temperature)
- Steel level control in the tundish by means of a slidegate system
- Argon-purged submerged entry nozzle
- Tundish System: capacity: 9.5 MT
- Refractory lining, dry, basic: slidegate system
- Mould level control by means of an argon-purged shrouding tube
- Mold system:
- Continuous mould level measurement (and control)
- Electromagnetic stirrer directly beneath the mould
- Breakout detection system
- Automatic mould powder addition
- Bow-type caster:
- Caster radii of 12m / 18m / 36m
- Independent, pressure-controlled straightening rolls
- In-Line torch cutting machine (5,5m to 12m)
- Stamping machines (2 per strand)
- Controlled cooling in slow cooling pit
to top
Ingot pouring stations
- 2 pouring plates
- 5 ingot moulds per plate
- 800 mm diameter
- Nominal ingot length = 4 m
- Nominal ingot weight = 16 MT
to top
Annealing furnace
- Box annealing furnace
- Capacity: 210 MT per cycle
- Soft annealing of the cast material
- Homogenising / diffusion annealing for further H2 reduction
to top
