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Corrosion-under-insulation (CUI) guidelines /

Corrosion under insulation (CUI) refers to the external corrosion of piping and vessels that occurs underneath externally clad/jacketed insulation as a result of the penetration of water. By its very nature CUI tends to remain undetected until the insulation and cladding/jacketing is removed to allo...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autores Corporativos: European Federation of Corrosion, Institute of Materials, Minerals, and Mining
Otros Autores: Winnik, S. (Stefan)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Boca Raton : Cambridge, England : CRC Press ; Woodhead, 2008.
Colección:Publications (European Federation of Corrosion) ; no. 55.
Woodhead Publishing in materials.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover; Corrosion-under-insulation (CUI) guidelines; Copyright; Contents; European Federation of Corrosion (EFC) publications: Series introduction; Volumes in the EFC series; Abbreviations; Dedication; 1Introduction; 1.1 Purpose of the document; 1.2 References; 2Economic consideration; 2.1 Statistical analysis; 2.2 Size of the issue; 2.3 Key performance indicators; 3Ownership and responsibility; 3.1 Senior management; 3.2 Engineering manager; 3.3 Maintenance; 3.4 Operations; 3.5 Inspection; 3.6 Members of a project team; corrosion-under-insulation programme.
  • 4The risk-based inspection methodology for corrosion-under-insulation4.1 Introduction; 4.2 Unit level prioritisation; 4.3 Challenging the need for insulation; 4.4 Data validation; 4.5 Using risk-based inspection to design corrosion-under-insulation inspection plans; 4.6 Reference; 5Inspection activities and strategy; 5.1 General considerations; 5.2 Typical locations on piping circuits susceptible to corrosion-under-insulation; 5.3 Typical locations on equipment susceptible to corrosion-under-insulation; 5.4 Examples of a risk-based inspection plan.
  • 6Non-destructive examination and testing screening techniques for corrosion-under-insulation6.1 Non-destructive examination and testing techniques; 6.2 Reference; 7Recommended best practice to mitigate corrosion-under-insulation; 7.1 Background; 7.2 Current corrosion-under-insulation prevention methods; 7.3 How to achieve a life expectancy of over 25 years; 7.4 Benefits of thermally sprayed aluminuim; 7.5 Use of personnel protective guards; 7.6 Use of aluminium foil to mitigate chloride external stress corrosion cracking of austenitic stainless steel; 7.7 References.
  • 8Design for the prevention of corrosion-under-insulation8.1 Introduction; 8.2 Challenge the requirement for insulation; 8.3 Plant layout; 8.4 Mechanical considerations: equipment and tanks; 8.5 Mechanical considerations: piping; 8.6 Materials of construction; 8.7 Coatings and wrappings; 8.8 Insulation; 8.9 Weatherproofing; 8.10 References; 9Appendix overview; Appendix A: Cost-economic evaluation; Appendix B: Quality assurance; Appendix C: Additional guidelines on the implementation of corrosion-under-insulation best practice; C.1 Maintenance and remediation issues; C.2 Minimum standards.
  • C.3 Types of insulation serviceC. 4 Surface preparation; C.5 References; Appendix D: Coatings; D.1 General comments; D.2 Protective coatings; D.3 Thermally sprayed aluminium; D.4 Surface and moisture tolerance; D.5 Alternative coatings; tape coatings; D.6 Reference; Appendix E: Application of thermally sprayed aluminium; E.1 Application of thermally sprayed coatings; E.2 Use of organic topcoats; E.3 Application strategies; E.4 Thermally sprayed aluminium specification; E.5 Definitions; E.6 Referenced codes, standards and specifications; E.7 Coating philosophy; E.8 Coating system.