This paper presents the results of a project jointly funded by PRCI and EWI to evaluate the welding of X100 pipe grades using commercially available welding consumables. The welding trials included manual, semi-automatic and mechanized welding procedures. It was found that the combination of Pulsed GMAW and ER100S-1 (using a mixed shielding gas) produced both excellent Charpy impact and CTOD performance, but could result in undermatched girth welds if the pipe significantly exceeds minimum strength requirements. Although ER120 S-1 provides an additional margin of safety in strength, which should accommodate variations in X-100 pipe properties, the toughness results were marginal at −10°C. The risk of weld metal hydrogen cracking in X100 girth welds was also investigated.
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2004 International Pipeline Conference
October 4–8, 2004
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute
ISBN:
0-7918-4176-6
PROCEEDINGS PAPER
Welding of High Strength Pipelines Available to Purchase
Matt Johnson,
Matt Johnson
Los Alamos National Laboratory, Los Alamos, NM
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Robin Gordon
Robin Gordon
EWI Microalloying International, LP, Houston, TX
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Bill Bruce
EWI, Columbus, OH
Jose Ramirez
EWI, Columbus, OH
Matt Johnson
Los Alamos National Laboratory, Los Alamos, NM
Robin Gordon
EWI Microalloying International, LP, Houston, TX
Paper No:
IPC2004-0472, pp. 1499-1504; 6 pages
Published Online:
December 4, 2008
Citation
Bruce, B, Ramirez, J, Johnson, M, & Gordon, R. "Welding of High Strength Pipelines." Proceedings of the 2004 International Pipeline Conference. 2004 International Pipeline Conference, Volumes 1, 2, and 3. Calgary, Alberta, Canada. October 4–8, 2004. pp. 1499-1504. ASME. https://doi.org/10.1115/IPC2004-0472
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