Mother pipes

Our pipe bends are chiefly made from straight steel pipes specifically manufactured to project requirements within the Salzgitter Group. The most common types of starting pipe are:

Large-diameter pipe

Submerged-arc spiral-weld and longitudinally welded pipe
Outside diameter: 508 to 1,620 mm (20" to 64")

HFI-welded steel pipe

Longitudinally high-frequency induction-welded
Outside diameter: 114 mm to 508 mm (4" to 20")

Seamless hot-rolled steel pipe

Manufactured using a variety of rolling processes
Outside diameter: 114 mm to 660 mm (4" to 26")

with thick walls:
Manufactured using the pierce-and-draw process
Outside diameter: 300 mm to 1.500 mm