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English Translations » 【设备腐蚀】 » Pipeline corrosion retirement criteria

Pipeline corrosion retirement criteria

2024-02-18View Original

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I would like to ask at what percentage wear of metal pipes exceeds their original wall thickness, requiring them to be scrapped. The local inspection agency says it’s 20%, but no relevant standards have been found.
Reply #22024-02-18
The TSG D7005-2018 Regulations for Periodic Inspection of Pressure Piping specify rating methods for detecting thinning in pipes and pipe fittings; a rating of level 4 requires the pipeline to be scrapped and corrective actions taken.

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Translated at 2026-07-23 15:18:01

Original: https://bbs.hcbbs.com/thread-5511077-1-1.html

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