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ESAB

Welding Solutions for Pipemills

Welding Solutions for Pipemills

Our experience and knowledge - your benefit!


Features

  • Flexible, reliable welding equipment
  • A wide range of products developed in-house for various multi-wire submerged arc welding (SAW) applications which are particularly suitable for pipe welding.

 

Precise, high-speed longitudinal welding

  • Our concept for longitudinal SAW is suitable for pipes in a normal diameter range of 508-1626 mm (20-64 in.), a normal wall thickness of 6-40 mm (0.24-1.57 in.) and a length of up to 18 m (708.66 in.).

Internal and external welding

  • For internal welding we have designed pre-stressed booms and welding heads for up to four wires.
  • The external welding station is based on a column and boom solution with a very stable cross-slide to adapt to different pipe diameters.

Grounding System

  • Flexible steel brushes in two rows in front and behind the welding process are pressed with defined force from outside to the pipe to catch the current with a minimum of voltage loss and to surely avoid any arc blow effect, which would disturb the weld process.

Problem-free flux and wire feed systems

  • Smooth feeding of wire in different diameters and equally straightforward supply of new and re-used flux.
  • The correct combination of compressed air, flux feeding, easy replenishment of new flux via the Big/ Bag system, a vacuum unit, a reliable magnetic separator and continuous recovery helps to create welding stations with less downtime, high-quality welds and a cleaner working environment.

Spiral pipe welding

  • Internal and external welding is performed at one and the same station. Internal welding starts first and, after half a turn, external welding then begins - internally with two or in some cases three wires and externally with one or three wires in the welding process, depending on the diameter and wall thickness of the pipe.


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