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Corrosion Under Insulationand FireproofingAPI RECOMMENDED PRACTICE 583Second EditionFIRST EDITION,XXX 2019 MAY 2014
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ContentsPage1Scope. 12Normative References. 133.13.2Terms, Definitions, Acronyms, and Abbreviations . 2Terms and Definitions . 2Acronyms and Abbreviations . 744.14.24.34.44.5Introduction to the Causes of Damage . 7General . 7CUI in Carbon and Low Alloy Steels . 8CUI in Austenitic and Duplex Stainless Steels . 9CUF in Carbon and Low Alloy Steels. 11CUI on Aluminum Piping . 1155.15.25.35.45.55.65.7Areas Susceptible to Damage. 11General . 11General Areas of Damage. 12Pressure Vessels . 13Piping . 13Tankage and Spheres . 16Heat-traced Systems . 16Shutdown/Mothballing. 1766.16.26.36.46.577.17.27.3Insulation and Fireproofing Systems. 18Insulation Materials . 18Insulation Jacketing . 24Caulking . 26Fireproofing Materials . 27Coatings Under Insulation and Fireproofing Systems . 32Inspection for CUI and CUF Damage . 34General . 34Inspection of Piping Operating Below 32 F (0 C) . 35Inspection Tools and Methods . 3588.1Risk-Based Inspection (RBI) . 51General . 5199.19.29.39.49.59.69.79.89.99.10Design Practices to Minimize CUI . 52General . 52Coatings for Hot and Cold Services. 53Insulation Materials . 53Jacketing. 54General Design Aspects . 56Insulation . 59Heat-traced Systems . 60Protective Coatings and Caulk . 60Shutdown/Mothballing. 61Quality Control/Quality Assurance . 61v
ContentsPage1010.110.210.310.410.510.6Design Practices to Minimize CUF. 61General . 61Dense and Lightweight Concrete. 62Lightweight Cementitious Products . 62Intumescent Coatings and Subliming Compounds. 62Protective Coatings . 62Quality Control/Quality Assurance . 621111.111.211.311.411.511.611.711.8Maintenance and Mitigation of CUI/CUF Issues . 63General . 63Programmed/Condition-based Maintenance. 63Execution.
should employ sound business, scientific, engineeri ng, and judgment safety when using this RP. API publications may be used by anyone desiring to do so. Ev ery effort has been made by the Institute to assure the accuracy and reliability of the data contained in them; however, the Institute makes no representation, warranty, or guarantee in connection with this publication and hereby expressly .
