Development and mechanical properties of X120 linepipe

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Development and mechanical properties of X120 linepipe

Okaguchi, S. / Makino, H. / Hamada, M. / Yamamoto, A. / Ikeda, T. / Takeuchi, I. / Fairchild, D.P. / Macia, M.L. / Papka, S.D. / Stevens, J.H. / ... [mehr]

Abstract

To enable the development of remote gas sources, X120-grade UOE linepipe has been developed. Low carbon-low Pcm and Mn-Ni-Mo-Nb-V-B bearing steel with a microstructure of fine ausformed martensite and bainite has excellent combinations of strength and toughness. With respect to longitudinal seam welding, the X120 pipe exhibits good heat-affected-zone (HAZ) cracking resistance due to a low Pcm. Deformation behaviors of the X120 linepipe were investigated using field bending and hydrostatic burst tests. The results verify that the overmatched seam weld in the X120 is sufficient to enable burst strength consistent with this grade of pipe. Sufficient deformability of the X120 for field bending was demonstrated using existing pipeline construction equipment.

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Dokumentinformationen

Titel :

Development and mechanical properties of X120 linepipe

Weitere Titelangaben:

Entwicklung und mechanische Eigenschaften von Stahl der Güte X120 für Erdgasfernleitungen

Beteiligte:

Okaguchi, S. (Autor:in) / Makino, H. (Autor:in) / Hamada, M. (Autor:in) / Yamamoto, A. (Autor:in) / Ikeda, T. (Autor:in) / Takeuchi, I. (Autor:in) / Fairchild, D.P. (Autor:in) / Macia, M.L. (Autor:in) / Papka, S.D. (Autor:in) / Stevens, J.H. (Autor:in)

Erschienen in:

International Journal of Offshore and Polar Engineering ; 14 , 1 ; 29-35

Erscheinungsdatum :

2004

Format / Umfang :

7 Seiten, 8 Quellen

ISSN :

1053-5381

Medientyp :

Aufsatz (Zeitschrift)

Format :

Sprache :