Herve Marchebois, David Senegas-Rouvière, and Jean Leyer, Vallourec Research Center; Michel Piette and Laurent Ladeuille, Vallourec Research Center CEV; Etienne Lepine and Frédéric Legay, V & M Oil and Gas France; Bertine Orlans-Joliet and Alfredo Figueiredo, Vallourec & Mannesmann Tubes; Cédric Linne, Vallourec & Mannesmann Tubes - HRT Division; Christoph Bosch, Salzgitter Mannesmann Forschung; Josef Pleschiutschnig, Salzgitter Mannesmann Forschung GmbH
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