voestalpine Austria Draht GmbH

Voestalpine Austria Draht GmbH Donawitz manufactures approx. 500,000 tons of steel wire rod annually out of continuously cast and rolled billets in a continuous process (between 5 mm and 32 mm in diameter). The naturally hard, annealed and surface-treated steel wire rod is utilised for the manufacture of concrete reinforcement steel, springs, chains etc.

Measures implemented and savings made:

  • Integration of residual heat from compressors into the heating system: savings of 53,000 Nm³ natural gas per year
  • Induction heating of the wire using dryer exhaust gas in the pickling plant and renewal of the insulation of the steam pipes: savings of 36,000 Nm³ natural gas per year
  • The energetic renovation of hall 6: savings of 25,700 Nm³ natural gas per year
  • Optimisation of lighting: savings of 180,000 kWh of electricity per year
  • Optimisation of the compressed air supply: savings of 250,000 kWh of electricity per year