WRC 465:2001

$60.45

Technologies for the Evaluation of Non-Crack-Like Flaws in Pressurized Components — Erosion/Corrosion, Pitting, Blisters, Shell Out-Of-Roundness, Weld Misalignment, Bulges and Dents

Published By	Publication Date	Number of Pages
WRC	2001	151

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Description

An overview, comparison, and evaluation of assessment methods for non-crack-like flaws in pressurized components such as straight piping, cylindrical and spherical vessels are provided in this report. The non-crack-like flaws include: flaws include local thin areas; pitting damage; hydrogen blisters and laminations; geometric irregularities such as weld misalignment, shell out-of-roundness, and bulges; and external force damage that typically results in dents or dent-gouge combinations. The vast majority of this work was performed by a Joint Industry Program on Fitness-For-Service administered by The Materials Properties Council working in conjunction with the API Committee on Refinery Equipment's Task Group on Fitness-For-Service. The work performed by these groups forms the technical basis for API 579, and as is shown in this report, a significant amount of the Fitness-For-Service technology for non-crack-like flaws that is available in the literature.

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