ASTM G62
Standard Test Methods for Holiday Detection of Coatings used to Protect Pipelines
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About This Item
ASTM G62 is the ASTM standard for holiday detection of coatings used to protect pipelines. It provides a technical basis for checking whether protective coatings contain discontinuities that could expose the underlying pipeline surface. This matters because coating holidays can reduce barrier performance and increase the risk of corrosion-related damage. For buyers, inspectors, and engineering teams, the standard supports more consistent evaluation of coating integrity during testing, acceptance, and quality control.
Overview of ASTM G62
The official title, Standard Test Methods for Holiday Detection of Coatings used to Protect Pipelines, shows that ASTM G62 is focused on finding coating defects rather than measuring coating thickness or appearance. In practice, it is used to help verify that a protective coating system forms a continuous barrier on pipeline surfaces. ASTM G62 is therefore a useful reference for coating evaluation, inspection planning, and compliance-oriented testing where holiday detection is needed as part of a pipeline protection program.
Common use cases of ASTM G62
ASTM G62 is commonly used when pipeline coatings must be checked for discontinuities before service, after application, or during maintenance-related inspection. It is relevant for protective coating work on pipeline segments, fittings, and related coated surfaces where continuity is critical. The standard is also useful in procurement and quality assurance workflows when coating performance needs to be verified against a recognized testing method. ASTM G62 helps keep inspection criteria aligned across projects and teams.
Benefits of using ASTM G62
Using ASTM G62 supports more consistent holiday detection and helps reduce the chance that hidden coating defects are overlooked. That can improve quality control, strengthen acceptance testing, and make technical requirements easier to specify in contracts or project documents. For organizations that manage protective coatings on pipelines, the standard provides a recognized test method that can aid comparison between suppliers, inspectors, and field or shop evaluations. ASTM G62 also helps support more reliable decisions about coating integrity.
- Holiday detection for pipeline coatings
- Support for inspection and acceptance testing
- Useful for coating quality control workflows
- Helps identify coating discontinuities
- Publication Date: 2023-10-11
- Publisher: ASTM
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