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API RP 583 - Corrosion Under Insulation and Fireproofing

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API RP 583, Corrosion Under Insulation and Fireproofing, covers the design, maintenance, inspection and mitigation practices for pressure equipment, piping, and storage tanks due to external Corrosion Under Insulation (CUI) and Corrosion Under Fireproofing (CUF). This recommended practice is intended to provide the user with information that will improve plant reliability by describing all the variables that give rise to CUI including: temperature, coating type and age, insulation types, climate effects, insulation maintenance practices, etc. and provide a method of risk ranking equipment for CUI potential based on the primary factors that affect the potential for CUI.

API RP 583 covers External Chloride Stress Corrosion Cracking (ECSCC) of stainless steels under insulation, as well as general and localized metal loss of carbon and low alloy steels. It also covers all the more modern methods of nondestructive examination (NDE) for inspection for CUI without having to remove the insulation.

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Articles about API RP 583 - Corrosion Under Insulation and Fireproofing
July/August 2021 Inspectioneering Journal

Practical steps to mitigate corrosion under insulation (CUI) damage on fixed pressure equipment and commentary on common mitigation techniques and good engineering practices for external insulation or fireproofing system design and application.

Blog

A summary of some of the important topics that were discussed at the API Fall 2020 Refining and Equipment Standards Meeting that was held via virtual conferencing.

Authors: John Reynolds
Blog

A summary of some of the important topics that were discussed at the API Spring Refining and Equipment Standards Meeting that was held via virtual conferencing.

Authors: John Reynolds
Blog

A summary of some of the important topics that were discussed at the API Fall Refining and Equipment Standards Meeting in Atlanta.

Authors: John Reynolds
May/June 2019 Inspectioneering Journal

This article details an experience assessing the mechanical integrity of a feed pressure vessel, and describes the methodology carried out for detecting CUI and how results were managed for this pressure vessel.

Authors: Andres Salazar
Partner Content

FFS assessment techniques are applicable to a wide range of damage types: LTA's, cracks, creep damage, dents, and more. These are very powerful analytical tools that often allow operators to not only keep the plant running, but to keep it running...

Blog

A summary of some of the important topics that were discussed at the Spring Meeting, including the recently-held API Inspection and Mechanical Integrity Summit, subcommittee activities, and progress with the API Individual Certification Program.

Authors: John Reynolds
Blog

A quick summary of some of the important topics that were discussed at the Fall Meeting, including the upcoming API Inspection and Mechanical Integrity Summit, subcommittee activities, and progress with the API Individual Certification Program.

Authors: John Reynolds
Blog

Three new API standards have been published, and one has been revised and updated to a new edition. The standards are described in this post.

Authors: John Reynolds
March/April 2014 Inspectioneering Journal

Inspectioneering is pleased to announce that our friend, colleague, author and industry leader, Clay White, has recently taken over as chair of API’s Subcommittee on Inspection (SCI).

Authors: Jeremiah Wooten
September/October 2011 Inspectioneering Journal

Three new recommended practices (RP) are under way within the API Inspection Subcommittee (SCI) which will add to the list of SCI standards available to owner-users to improve their mechanical integrity (MI) and inspection programs.

Authors: John Reynolds
    Videos related to API RP 583 - Corrosion Under Insulation and Fireproofing
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        Sponsored eBook

        This eBook offers practical guidance for, and real examples of, in-service degradation attributed to corrosion under insulation. It provides a detailed discussion on CUI detection, characterization and evaluation, and mitigation or remediation.

        Sponsored Checklist

        This checklist serves as a companion piece to the Inspectioneering webinar, CUI: A Proactive Approach, and contains some elements to consider when looking for data gaps in your CUI program.

        Asset Intelligence Report

        Corrosion Under Insulation (CUI) is one of the most well-known damage mechanisms in the O&G and chemical processing industries, yet CUI still makes up a very large percentage of plant maintenance expenditures.

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