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Tube drawing technology

  • Changing of bore or outside diameter
  • Reduction of wall thickness
  • Steel composite tubes
  • Straightening and heat treatment

Manufacturing machines:

  • Sand blasting plant
  • Chemical baths (sulfuric acid-, water-, zinc phosphate-, grease bath)
  • Draw bench 500 t / 12 m
  • Draw bench 200 t / 10 m
  • 200 t and 1000 t straightening press
  • Annealing furnaces / hardness facility to 20 m

Possible drawing processes:

  • Tube drawing from the inside outwardly
  • Tube drawing from the outside inwards
  • Both sides pipe drawing (so-called double-sided alteration modification)

HUNGER Hydraulik Solutions – Successfull Operating Worldwide