To provide a lower-cost option for long-distance gas transmission, X120 UOE linepipe has been developed. After development of heavy-plate and basic seam-welding technology, finite element models and forming tests in the UOE mill established the forming conditions and tooling design criteria to solve the problem of the large springback that occurs during forming of the plate. To confirm X120 mass production technology, more than 100 pipes were manufactured in a small-scale, commercial-production run-a mini-roll. The produced pipe generally met the dimensional tolerances and mechanical property targets, but improvements are planned. Field bending of the X120 pipe has been demonstrated, and the resistance to hydrogen embrittlement by cathodic protection has been confirmed.


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    Titel :

    Pipe production technology and properties of X120 linepipe


    Beteiligte:
    Asahi, H. (Autor:in) / Tsuru, E. (Autor:in) / Hara, T. (Autor:in) / Sugiyama, M. (Autor:in) / Terada, Y. (Autor:in) / Shinada, H. (Autor:in) / Ohkita, S. (Autor:in) / Morimoto, H. (Autor:in) / Doi, N. (Autor:in) / Murata, M. (Autor:in)


    Erscheinungsdatum :

    2004


    Format / Umfang :

    6 Seiten, 4 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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