Welding technology for metallic sheathing of offshore steel structures in seawater tidal and splash zones was described. Seawater-resistance stainless steel SUS 312L sheets of 0.4 - 0.6 mm in thickness were lap-welded on carbon steel pipes with the indirect seam welding process. Compared to conventional metallic sheathing methods, this method enabled to reduce material and fabrication costs. A combined welding method - indirect seam welding and plasma welding with Inconel 625 filler wire were preformed simultaneously - was developed to prevent crevice corrosion at severer environments. In case the metallic sheathes get damaged, a repair welding procedure was established.


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    Title :

    Welding technology for metallic sheathing of offshore steel structures using seawater-resistant stainless steel sheet


    Additional title:

    Schweißtechnologie für die metallische Ummantelung von Offshore-Stahlkonstruktionen unter Verwendung von meerwasserbeständigem nichtrostenden Stahlblech


    Contributors:

    Published in:

    Publication date :

    2007


    Size :

    5 Seiten, 13 Bilder, 3 Tabellen, 6 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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