Study on the Test of Fatigue Life Prediction for X80 Line Pipe

Qiu Rong Ma; Yang Li; Kun Yang

doi:10.4028/www.scientific.net/AMM.692.387

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 692Study on the Test of Fatigue Life Prediction for...

Study on the Test of Fatigue Life Prediction for X80 Line Pipe

Abstract:

This paper researched the test of fatigue crack propagation of grade X80 submerged arc welded pipes. According to the test results, analyzed and calculated the fatigue life of submerged arc welded pipes for X80 with half elliptical crack defects at the simulated work condition of shutdown. On a single simulated work condition, the fatigue life of submerged arc welded pipes for X80 with Ф1219×22.0mm is 62 years, which had enough safety margin for fatigue life.

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Periodical:

Applied Mechanics and Materials (Volume 692)

Pages:

387-390

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.692.387

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Online since:

November 2014

Authors:

Qiu Rong Ma*, Yang Li, Kun Yang

Keywords:

Fatigue Crack Growth Rate, Fatigue Life, Submerged Arc Welded Pipes

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