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Development of advanced joining technologies for supermartensitic stainless steel line pipes


Project timeline
February 2000
36 months
January 2003
General Information
The JOTSUP project will develop advanced welding technologies by using laser beam (LB), low vacuum electron beam (EB) and radial fricton welding techniques, improve the pipe manufacturing efficiency as well as to fully exploiting the advanced properties of the new generation supermartensitic stainless steels and new joining technologies. Furthermore, it also aims to develop strength matching welding consumables (which are not available today) for this high strength grade steels, to improve structural behaviour of the welded flow lines during the pipe laying (e.g. reeling) and service of oil and gas industry for transportation of unprocessed oil and gas in the North Sea. The benefit of the project on the environment is anticipated via a reduced use of chemical inhibitors for preventing corrosion in gas transport and increased safety against failure.
EU-Programme Acronym and Subprogramme AreaFP5-GROWTH-1999, Advanced production and construction technologies
Project TypeRTD
Contract NumberG5RD-CT-1999-00053
Co-ordinatorHelmholtz Zentrum Hereon (DE)
Total Eligible Costs (€) Hereon Eligible Costs (€) EC Funding for Hereon (€)
Contact Person at Hereon Prof. Dr.-Ing. habil. Norbert Huber, Institute of Materials Research, phone: +49-4152-87 2500 (initial contact: Dr. Mustafa Kocak, Institute of Materials Research)
E-mail contact
Worldwide Europe

Böhler Thyssen Schweißtechnik GmbH (DE), BIAS Bremer Institut fuer Angewandte Strahltechnik GmbH (DE), Butting GmbH&Co KG (DE), Den Norske Stats Oljeselskap A/S (NO), Erndtebrücker Eisenwerk GmbH&Co (DE), Esab AB (SE), Fabrique de Fer-Charleroi SA (BE), Institut Belge de la Soudure (BE), Krupp Thyssen Nirosta GmbH (DE), PTR Präzisionstechnik GmbH (DE), SINTEF (NO), Stolt Offshore (UK)

(completed January 2003)

Last Update: 18. May 2021