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Mannesmann Grossrohr GmbH

More than 50 years of experience in spiral-welded pipe

Pipe production in Salzgitter, 1959
Pipe production in Salzgitter, 1959

The idea of spiral-welding plate to produce steel pipe dates back to the end of the 19th Century. It took until the 1950s, however, before the technology had progressed sufficiently to ensure a reliable, high-quality product. A great leap forward in welding technology was needed.

Large-diameter spiral-welded pipe suitable to meet the highest quality standards has been produced in Salzgitter since 1959. The main customer is the international oil and gas industry.

In 1967, the company was awarded the approval for pipe production according to API 5L, and as early as 1970 it manufactured and supplied the first helically welded pipe in steel grade X 70.
 
The introduction of the Helical Two Step (HTS) process in 1987 and its ongoing refinements ever since, have been landmark achievements for the entire tube and pipe industry.

Spiral-welded pipe made in Salzgitter at the Hannover Fair, 1961
Spiral-welded pipe made in Salzgitter at the Hannover Fair, 1961
Pipe-laying on the Arabian Peninsula, ca.1970
Pipe-laying on the Arabian Peninsula, ca.1970
Loading pipe, 1996
Loading pipe, 1996

In 2001 as part of the organizational restructuring of the Salzgitter Group, over 50 years of spiral pipe expertise was folded into Salzgitter Großrohre GmbH. Since 2017 the company has traded as Mannesmann Grossrohr GmbH


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