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Pipe Bending Test With Girth Welding on X80 Grade SAW Pipes

[+] Author Affiliations
Masahiko Hamada, Hidenori Shitamoto, Shuji Okaguchi

Sumitomo Metal Industries, Ltd., Amagasaki, Japan

Nobuaki Takahashi

Sumitomo Metal Industries, Ltd., Kashima, Japan

Izumi Takeuchi

Sumitomo Metal Industries Ltd., Tokyo, Japan

Yoshiyuki Matsuhiro

Sumitomo Metal Pipeline and Piping, Ltd., Sakai, Japan

Shusuke Fujita

Sumitomo Metal Pipeline and Piping, Ltd., Warabi, Japan

Paper No. IPC2010-31433, pp. 231-236; 6 pages
doi:10.1115/IPC2010-31433
From:
  • 2010 8th International Pipeline Conference
  • 2010 8th International Pipeline Conference, Volume 4
  • Calgary, Alberta, Canada, September 27–October 1, 2010
  • Conference Sponsors: International Petroleum Technology Institute and the Pipeline Division
  • ISBN: 978-0-7918-4423-6 | eISBN: 978-0-7918-3885-3
  • Copyright © 2010 by ASME

abstract

This study was planned as a part of a test program to confirm the effect of girth welds on the strain capacity of pipes. In this study, full-scale pipe bending tests are performed by using X80 SAW pipe. This paper covers pipe manufacturing procedure, developed welding procedure to obtain even match weld metal and properties of welded joints. And this work demonstrated that the X80 pipes welded under the developed procedure fractured in base metal remote from girth welded portion by full scale pipe bending test conducted under the internal pressure of 72% SMYS of X80.

Copyright © 2010 by ASME

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