NDT Industry Blog

Corrosion under Insulation (CUI)

Corrosion Under Insulation (CUI) is a significant issue in industries where insulated pipes and equipment are common. It occurs when moisture gets trapped under the insulation, leading to corrosion of the underlying metal. Here’s a detailed look at what CUI is, its causes, effects, and mitigation...

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API 510, 570, and 653

API 510, 570, and 653 are standards set by the American Petroleum Institute (API) for the inspection, repair, and maintenance of different types of equipment used in the petroleum and chemical industries. Let's break down each one: API 510: Pressure Vessel Inspection Code Purpose: This standard...

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Hardness Testing

Hardness testing is a method used to determine the hardness of a material, which is a measure of its resistance to deformation, scratching, or indentation. This property is crucial in understanding how a material will behave under various conditions, such as pressure, impact, and wear. What is...

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Holiday Testing (Jeeping)

Holiday testing, also known as "jeeping," is a specific inspection method used in NACE coating inspections to detect any flaws in protective coatings. These flaws, called "holidays," are tiny gaps, pinholes, or defects in the coating that can allow moisture or chemicals to penetrate and cause...

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NACE Coating Inspections

NACE (National Association of Corrosion Engineers) coating inspections are a vital part of ensuring the longevity and durability of structures and equipment. Coatings are applied to surfaces to protect them from corrosion, which is the gradual destruction of materials (usually metals) by chemical...

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