Technology

Our welded pipes are produced with the most modern technologies and equipment, to ensure the best quality and production flexibility for customer satisfaction.

Longitudinally welded tubes (standard EN 10219 – certification CE – ISO 9001)

Manufatured on longitudinal tube welding mill with electrical resistance welding on line ( ERW )

  • External scarfing 100%
  • Internal scarfing on demand
  • Seam annealing 100%
  • Ultrasonic control of weld seam 100% ( starting in 2016 )
  • Universal and flexible on-line squaring ( special dimensions available on demand )
  • Orbital milling cut-off ( burrs free ) – Fixed length available for small lots also
  • Marking and tracking of each individual tube

Spirally welded pipes ( according standard EN 10224 and EN 10219 )

Manufactured on spiral welding mill with on line submerged arc welding ( SSAW )

  • Strip edges trimming and milling 100%
  • Rolls forming
  • Laser guide for internal/external welding system
  • US weld sem testing 100%
  • Plasma cut-off
  • Marking and tracking of each individual pipe
  • pipe ends facing & bevelling or, as alternative
  • spigot&bell roll forming
  • hydrostatic pressure testing with possibility of graphic record
  • Mechanical internal/external shot blasting
  • Polyurethane external coating
  • Liquid epoxy internal lining