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03026 Issues Surrounding Insulated Austenitic SS and Cracking Under Thermal Insulation-Refinery Experiences in Tropical Environments

Picture for 03026 Issues Surrounding Insulated Austenitic SS
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Product Number: 51300-03026-SG
ISBN: 03026 2003 CP
Author: John P. Richert
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The use of austenitic SS materials in the refining industry is selected to resist process side corrosion. These materials are considered key materials of construction for resisting severe high temperature corrosive conditions of sulfidation, hot hydrogen exposure and H2/H2S corrosion. Austenitic SS are successfully used in these applications because high temperature services are non-aqueous and hence trace amount of Cl - in many process streams can be tolerated. Experience has been gathered over many years in tropical environments with Cl - SCC from external surfaces of hot insulated equipment. This paper examines the conditions that promote external cracking and discusses several mitigation techniques. Keywords: Austenitic SS, External Cl SCC, ESCC, Al Foil wrap
The use of austenitic SS materials in the refining industry is selected to resist process side corrosion. These materials are considered key materials of construction for resisting severe high temperature corrosive conditions of sulfidation, hot hydrogen exposure and H2/H2S corrosion. Austenitic SS are successfully used in these applications because high temperature services are non-aqueous and hence trace amount of Cl - in many process streams can be tolerated. Experience has been gathered over many years in tropical environments with Cl - SCC from external surfaces of hot insulated equipment. This paper examines the conditions that promote external cracking and discusses several mitigation techniques. Keywords: Austenitic SS, External Cl SCC, ESCC, Al Foil wrap
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ISBN: 03029 2003 CP
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03031 ADVANCED NDE METHODS OF INSPECTING INSULATED VESSELS AND PIPING FOR ID CORROSION AND CORROSION UNDER INSULATION (CUI)

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