Duplex stainless steel grades are often used in applications in the subsea oil & gas industry because of the benefits that they have over austenitic stainless steels or coated carbon steels. This paper presents the requirement for umbilicals used in the subsea oil & gas industry and the precautions needed for manufacturing and welding super duplex stainless steel tubes. The super duplex stainless steel tubes used in umbilicals play a vital role in supplying hydraulic fluids, MEG, corrosion inhibitors to critical subsea equipment like Christmas trees, subsea control valves and subsea control modules. Hence a candidate material that can resist corrosion and also prevent functional failures of the control system is suitable. Super duplex stainless steel is more expensive then SS316L and other low-alloyed duplex stainless steels but is a proven material in such applications.


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    Titel :

    Super duplex steels in the subsea oil & gas industry


    Weitere Titelangaben:

    Superduplexstähle in der Tiefsee-Öl- und -Gasindustrie


    Beteiligte:
    Bhansali, Jatin (Autor:in) / Venkat, C.M. (Autor:in)

    Erschienen in:

    Stainless Steel World ; 21 , Sep ; 39-43


    Erscheinungsdatum :

    2009


    Format / Umfang :

    4 Seiten, 10 Bilder, 5 Tabellen, 3 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch