Stress Corrosion Cracking in Pipelines| Course schedule | |
| Tuesday, August 25 | 8am-5pm |
| Wednesday, August 26 | 8am-5pm |
Although stress-corrosion cracking (SCC) is thought to be responsible for a relatively small percentage of pipeline failures each year, it continues to be a safety concern to pipeline operators and government regulatory agencies, and it must be addressed in integrity management plans. Practical information on recognizing and dealing with SCC will be presented with descriptions of research results that have led to our current understanding of causes and methods of management.
Course Objectives
Provides a detailed description of what is known about the appearance and causes of SCC, and will discuss various approaches to mitigating and managing the problem.
Who should attend
Course Notes
Delegates receive detailed course notes including an extensive list of references and a CD containing the comprhensive 200-page Stress Corrosion Cracking Study produced in January 2005 for the US Office of Pipeline Safety.
Continuing Education Units
On completion of the course, participants will be awarded 1.2 CEUs.
Dr. Raymond R. Fessler worked on the Pipeline Research Committee project on SCC since its inception in 1965. He personally conducted most of the early field investigations of SCC, from which he identified the major factors that cause high-pH SCC in pipelines. He also managed the laboratory portion of that program from 1965 to 1982, which added significantly to an understanding of the phenomenon and explored a number of possible solutions to the problem. For the past several years, he has been the SCC consultant for GRI and PRCI. He recently completed a comprehensive gap analysis on SCC, and he actively participated in drafting the NACE Recommended Practice on SCC Direct Assessment.
John Mackenzie is a senior pipeline specialist with Kiefner & Associates, focusing on the areas of Integrity Management Plans and Stress Corrosion Cracking. John was previously with TransCanada Pipelines for 25 years, where he was responsible for the company’s original investigation into SCC (1986-1990). This work led to the discovery of near-neutral pH SCC and identified the conditions under which it occurs. He also served as Chair of the PRCI’s SCC Subcommittee for two years.
Description of SCC
History of SCC in pipelines
Stages of SCC
Test techniques to study SCC
Environmental factors
Stress factors
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Metallurgical factors
Mechanisms of SCC
Likely locations for SCC
SCC detection and integrity assurance
Mitigating SCC
Integrity management plans
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