Journal
ENGINEERING FAILURE ANALYSIS
Volume 109, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfailanal.2019.104284
Keywords
Corrosion; Pipeline integrity; ASME B31G; Failure pressure
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Corrosion defects always occur in carbon steel pipelines and due to their reduction in pipe wall thickness, the pipe will fail at a pressure lower than the pressure calculated by given yield strength. Therefore, one of the most important factors in controlling the integrity of pipelines is failure due to corrosion. The burst pressure test is one of the laboratory tests that is carried out to evaluate the failure pressure of corroded pipes and is not applicable to all pipelines depending on its nature and its costs. Therefore, in the industry, it has been tried to introduce and use guidelines for assessing and predicting failure pressure of corroded pipelines. The most widely used references is the ASME B31G standard. This standard is published in different versions and also different level of analysis. In this article, the burst test results of 18 samples consist of 3 different types of corrosion and their configurations are also analyzed by all revisions and levels of standard ASME B31G and the results are compared together.
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