Stress Corrosion Cracking of Linepipe Steels in Near-Neutral pH Environment: A Review of the Effects of Stress

W Zheng; RW Revie; WR Tyson; G Shen; R Sutherby

doi:10.1520/STP10238S

SYMPOSIA PAPER Published: 01 January 2000

STP10238S

Stress Corrosion Cracking of Linepipe Steels in Near-Neutral pH Environment: A Review of the Effects of Stress

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Stress corrosion cracking (SCC), a form of environment-assisted cracking, has caused 24 major pipeline failures in the Canadian oil and gas pipeline system. The role of stress in the SCC of linepipe steels in near-neutral pH environment, as in other SCC systems, is complex. In this paper, the effects of stress on the development of both axial cracking and circumferential cracking are reviewed. The long-term beneficial effect of compressive stress introduced by hydrostatic testing is also discussed.

Author Information

Zheng, W

CANMET/Materials Technology Laboratory, Ottawa, Ontario, Canada

Sutherby, R

TransCanada Transmission, Calgary, Alberta, Canada

Revie, RW

CANMET/Materials Technology Laboratory, Ottawa, Ontario, Canada

Tyson, WR

CANMET/Materials Technology Laboratory, Ottawa, Ontario, Canada

Shen, G

CANMET/Materials Technology Laboratory, Ottawa, Ontario, Canada

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Developed by Committee: G01

Pages: 473–483

DOI: 10.1520/STP10238S

ISBN-EB: 978-0-8031-5447-6

ISBN-13: 978-0-8031-2874-3

Stress Corrosion Cracking of Linepipe Steels in Near-Neutral pH Environment: A Review of the Effects of Stress

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