GB/T 18851.5-2014
ActiveNon-destructive testing―Penetrant testing―Part 5: Penetrant testing at temperatures higher than 50 ℃
无损检测 渗透检测 第5部分：温度高于50℃的渗透检测
Application Summary AI generated
This standard specifies the procedures and acceptance criteria for conducting penetrant testing on components or materials when the surface temperature exceeds 50°C, such as during in-service inspections of hot machinery or welding operations. It is applied in industries like aerospace, power generation, and petrochemicals where high-temperature parts (e.g., turbine blades, pipes, or pressure vessels) require non-destructive flaw detection without cooling. The standard ensures reliable detection of surface-breaking defects by adapting penetrant materials and dwell times for elevated thermal conditions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.