Equipment

Our modern production mills: Man and machine in tune

Steel mill

     
Electric arc furnace
  • construction in 1999
  • Ccast weight approx. 80 t
  • 75 MVA transformer
  • 1 door burner
  • computer-based process support and process tracking
 
Ladle furnace
  • modernization 2002
  • heating and treating positions
  • wire coiling
  • rinsing over bottom block
  • computer-based process support
    and process tracking
 
vacuum machine
  • constructed in 2005
  • 2 tanks with a single cover
  • mechanical vacuum pumps
  • 6-strand wire coiling machine
  • computer-based process support
    and process tracking
 
Continuous casting machine
  • construction in 1998 / modernization 2007
  • 4-strands, radius 8 m
  • electromagnetic stirring in the mould
    and at the solidification point
  • computer-based process support
    and process tracking
 
Rolling mill

     
Walking beam furnace
  • capacity 100 t/h = 65 billets/h
  • natural gas heated
  • heat recovery: 18% of the energy input
  • drawing temperature 1125°C - 1230°C
 
Rolling mill
  • 1 strand high capacity rolling mill intermediate
    cooling track (normalizing rolling)
  • 3 product lines: Stelmor, Garrett, cooling bed
  • average rolling capacity: 82 t/h
 
finishing train
  • 5-stage 3-roll reducer and
    calibration block RSB (KOCKS2002)
    for round and hexagonal
 
Stelmor line
  • range of dimension: 5,5 mm - 22 mm rolling
  • speed max. 85 m/sec.(=306 km/h)
  • retarded cooling
 
Garrett line
  • range of dimension: 22.5 mm - 38 mm
  • 2 alternating charged reelers
  • entering speed max. 20 m/sec.
 
Cooling bed
  • dimension range: 15,7 mm - 64 mm
  • coiling speed max. 14 m/sec.
  • surface 78 m x 11,5 m
 
cross rolling straightening plant
with periphery
  • 2 cross-roller machines each with
    4-6 t/h throughput
  • 9 driven rolls
  • max. bar length 12 m
  • new periphery set up for up to
    70 mm bar diameter
 
Surface-crack detector,
switching and demagnetizing plant
  • alternating area stray flux method
    to detect surface defects
 
Ultrasonic testing
  • full volume testing using the latest
    "Phased Array" techniques,
    electronically shaped sound field