Effect of stress corrosion cracking on integrity and remaining life of natural gas pipelines
Conference
·
OSTI ID:268244
- Cortest Columbus Technologies, Inc., Dublin, OH (United States)
External stress-corrosion cracking of pipelines is a serious problem for the gas transmission industry. Longitudinal cracks initiate on the outside surface of the pipe and link up to form flaws that, in some cases, can lead to pipe rupture. This paper presents a model that quantifies the effect of stress-corrosion cracking on pipe failure stress. The model is an extension of those that have been developed for oil and gas pipelines and considers both flow-stress and fracture-toughness dependent failure modes. A methodology also is presented to calculate the remaining life of a pipeline containing flaws of known size.
- OSTI ID:
- 268244
- Report Number(s):
- CONF-960389-; TRN: IM9634%%316
- Resource Relation:
- Conference: National Association of Corrosion Engineers (NACE) annual corrosion conference and exposition: water and waste water industries, Denver, CO (United States), 24-29 Mar 1996; Other Information: PBD: 1996; Related Information: Is Part Of Corrosion/96 conference papers; PB: [6615] p.
- Country of Publication:
- United States
- Language:
- English
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