The problems related to the measurement and control of residual stress in the production of SSAW pipe are analyzed based on tests: (1) The relationship between circumferential opening in cut-ring test and residual stress from mechanical cutting stress releasing test; (2) The effects of severing position on the measured opening; (3) The effects of hydrostatic test on residual stress of SSAW pipe; (4) The supplementary specification of SSAW pipe. It is put forward that the circumferential opening varies with the severing position, and the normal hydrostatic test mainly bring about the redistribution of the residual stress as well as the decrease of that. The appropriate higher pressure can reduce residual stress considerably. Some suggestions about the supplementary specification related to residual stress of SSAW pipe were brought forward.
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2002 4th International Pipeline Conference
September 29–October 3, 2002
Calgary, Alberta, Canada
Conference Sponsors:
- Pipeline Division
ISBN:
0-7918-3620-7
PROCEEDINGS PAPER
The Measurement and Control of Residual Stress in Spiral Sub-Merged Arc Welded Pipe
Chunyong Huo
Chunyong Huo
CNPC, Xi’an, Shaanxi, China
Search for other works by this author on:
Qingren Xiong
CNPC, Xi’an, Shaanxi, China
Yaorong Feng
CNPC, Xi’an, Shaanxi, China
Chunyong Huo
CNPC, Xi’an, Shaanxi, China
Paper No:
IPC2002-27363, pp. 615-622; 8 pages
Published Online:
February 24, 2009
Citation
Xiong, Q, Feng, Y, & Huo, C. "The Measurement and Control of Residual Stress in Spiral Sub-Merged Arc Welded Pipe." Proceedings of the 2002 4th International Pipeline Conference. 4th International Pipeline Conference, Parts A and B. Calgary, Alberta, Canada. September 29–October 3, 2002. pp. 615-622. ASME. https://doi.org/10.1115/IPC2002-27363
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