2009 Spring Meeting & 5th Global Congress on Process Safety

(13c) Polythionic Acid Stress Cracking in Furnace Tubes

Authors

Tom Kopecky - Presenter, Flint Hill Resources
Jim McCarter - Presenter, Flint Hills Resourses
Bruce Scott - Presenter, Flint Hill Resources


This paper will provide details of an olefin unit's actual experience with Polythionic Acid Stress Corrosion Cracking (PASCC) in a furnace convection section. Investigation into the suspected cause of the tube failures along with the supporting metallurgical data will be presented.