Journal of High Pressure Institute of Japan
Online ISSN : 1347-9598
Print ISSN : 0387-0154
ISSN-L : 0387-0154
Review
REMEDIATION OF FLAWS IN STAINLESS STEEL CLADDING ON HYDROPROCESSING RECTORS
Takayasu TAHARA
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Keywords: hydroprocessing reactors, Cr-Mo steels, stainless steel cladding, weld overlay cladding, FFS assessment remediation method, repair procedures
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2018 Volume 56 Issue 6 Pages 337-345

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Abstract
Hydroprocessing reactors are made of heavy wall Cr-Mo steels with stainless steel cladding and installed in the most of oil refineries in the world during past half century. After long time operation, they found several material degradation and⁄or damages due to high pressure and high temperature hydrogen services. This paper presents typical remediation method of flaws in stainless steel cladding of reactors including flaw sizing, FFS assessment and repair procedures.
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© 2018 by High Pressure Institute of Japan
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