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Steel Tubes

Longitudinally Welded

Longitudinally Welded Pipes

Longitudinally Welded Pipes are Welded along the length of the Pipe and can be produced in two ways. Both forms of production provide their own advantages.

The first type of production is from a Coil. The Coil is rolled out and folded over the width into a round shape. Then the seam is welded and a “Longitudinal Seam” is created over the entire length. This is a continuous process until the Coil is unwound and is common for standard diameters and thicknesses.

The second form of production is from a Steel Plate. This Plate is rolled into a pipe shape whose specification exactly fits the customer’s project. These Pipes are also welded along the length of the Pipe and for this reason also bear the name ‘Longitudinally Welded’. The separately produced Pipes have got a limited length and therefore the elements are usually welded together by means of a round seam. This method is not limited in diameters and/or thicknesses and is therefore very suitable for projects which contain specific sizes, for example with thick-walled pipes.

Longitudinally Welded Pipes are used for: Piles, Bored Piles, Mooring Posts/Fenders, (leading) Jetti, Piping.

Optional

  • Non-destructive Testing (NDT)
    • Ultrasonic testing
    • Magnetic testing
    • Radiographic examination (X-ray or gamma ray)
  • Destructive testing (DO)
    • Tensile test
    • Chemical Analysis
    • Impact test
  • Drilling head; design Intra BV, also possible with a large injection lance
  • Bell ends
  • Footplates
  • Various welding options (e.g. mooring post attributes)
  • Coating/galvanizing
  • CE-marking
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