• 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)