Nowadays already a lot of large onshore-projects have been implemented for the steel X80 with, as it seems, fully satisfactory results. The high grade pipeline-steel X80 is discussed in detail in this paper as well as the various projects performed with X80. A lot of money is spent worldwide in finding the right joining process for the circumferential welds of these pipes, and so a worldwide central collection of welding variables and efficient processing could result in a prediction of the mechanical properties and fracture mechanical values out of the data of the preceding joining process, and would save a lot of trial and error and therefore costs. This paper deals with the welding parameters, the consumable types, the heat input of the joining process, preheating and interpass temperatures. The tested materials were the base material, the weld metal, and the heat-affected zone of welds, using different welding processes, as for example manual metal arc welding, gas metal arc welding, gas tungsten arc welding, or submerged arc welding, of the pipeline steel X80 according to API 5L (L 555MB according to OENORM EN 10208-2).


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    Titel :

    Welding of the high grade pipeline-steel X80 and description of different pipeline-projects


    Beteiligte:
    Felber, S. (Autor:in)

    Erschienen in:

    Welding in the World ; 52 , 5/6 ; 19-41


    Erscheinungsdatum :

    2008


    Format / Umfang :

    23 Seiten, 12 Bilder, 19 Tabellen, 101 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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