Corrosion Under Insulation (CUI) Guidelines - 1st Edition - ISBN: 9781845694234, 9781845694272

Corrosion Under Insulation (CUI) Guidelines

1st Edition

Editors: S Winnik
eBook ISBN: 9781845694272
Hardcover ISBN: 9781845694234
Imprint: Woodhead Publishing
Published Date: 20th March 2008
Page Count: 176
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Table of Contents

Introduction. Economic consideration; Ownership and responsibility; The risk-based inspection (RBI) methodology for CUI; Inspection activities/strategy; NDE/NDT screening techniques for CUI; Recommended Best Practice to Mitigate CUI; Design for the prevention of CUI.


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 allow inspection or when leaks occur. CUI is a common problem shared by the refining, petrochemical, power, industrial, onshore and offshore industries.

The European Federation of Corrosion (EFC) Working Parties WP13 and WP15 have worked to provide guidelines on managing CUI together with a number of major European refining, petrochemical and offshore companies including BP, Chevron-Texaco, Conoco-Phillips, ENI, Exxon-Mobil, IFP, MOL, Scanraff, Statoil, Shell, Total and Borealis. The guidelines within this document are intended for use on all plants and installations that contain insulated vessels, piping and equipment. The guidelines cover a risk-based inspection methodology for CUI, inspection techniques (including non-destructive evaluation methods) and recommended best practice for mitigating CUI, including design of plant and equipment, coatings and the use of thermal spray techniques, types of insulation, cladding/jacketing materials and protection guards. The guidelines also include case studies.

Key Features

  • Guidelines cover inspection methodology for CUI, inspection techniques, including non-destructive evaluation methods and recommended best practice
  • Case studies are included illustrating key points in the book


Engineers in the refining, petrochemical, power, industrial, onshore and offshore industries


No. of pages:
© Woodhead Publishing 2008
Woodhead Publishing
eBook ISBN:
Hardcover ISBN:

Ratings and Reviews

About the Editors

S Winnik Editor

Dr Stefan Winnik is Managing Director of SW Materials and Corrosion Ltd.; he was formerly with the ExxonMobil chemical company in the UK.

Affiliations and Expertise

ExxonMobil, UK