Cracking analysis of a newly built gas transmission steel pipe

H. Ding, D.T. Qi, G.Q. Qi,B. Wei, N. Ding,H.B. Li,F.S. Wang, Z.F. Yan, Q. Feng, Z.H. Zhang,Y.J. Sun

Engineering Failure Analysis（2020）

引用 2|浏览53

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摘要

•A longitudinal crack was found at a newly built L245NS gas transmission pipeline.•The fracture surface is characterized by multi-source cracking, and containing foreign matters.•The crack reason of the steel pipe is by the low stress cracking at the pipe end.

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关键词

Steel pipe,Cracking,Welding seam,Slag inclusion

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