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97501 CHLORIDE STRESS CORROSION CRACKING OF AUSTENITIC STAINLESS STEELS IN HYDROPROCESSING UNITS

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Product Number: 51300-97501-SG
ISBN: 97501 1997 CP
Author: A. J. Bagdasarian, D. J. Truax
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Ammonium bisulfide has been the well known main culprit of aqueous corrosion in hydroprocessing units. A lesser understood and, at times, more menacing aqueous corrosion problem in these units has been due to chloride salts. Chlorides can be introduced into the system through the feed and/or through the make-up hydrogen gas. This paper describes case histories of chloride related problems and the means for minimizing such occurrences.
Ammonium bisulfide has been the well known main culprit of aqueous corrosion in hydroprocessing units. A lesser understood and, at times, more menacing aqueous corrosion problem in these units has been due to chloride salts. Chlorides can be introduced into the system through the feed and/or through the make-up hydrogen gas. This paper describes case histories of chloride related problems and the means for minimizing such occurrences.
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51317--9518-Chloride Stress Cracking of an Austenitic Stainless Steel Pipe Fitting in a Hydroprocessing Unit

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ISBN: 9574 2017 CP
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This paper summarizes key case studies where Ammonium Chloride (NH4Cl) corrosion was observed. Best practices for process control and corrosion mitigation strategies have been recommended based on the learnings from these failures.

 
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