Assessment of localized corrosion in carbon steel tube-grade AISI 1045 used in output oil–gas separator vessel of desalination unit in oil refinery industry

F Nasirpouri, A Mostafaei, L Fathyunes… - Engineering failure …, 2014 - Elsevier
In this research, we aimed to investigate the level of damage occurred in the steel tube
material grade CK45 (AISI 1045) after a short period of service in an output desalination unit
of an oil refinery industry. Visual examinations revealed that the material of the failed tube
had significant thickness reduction and also localized corrosion damage. Energy dispersive
X-ray spectroscopy (EDS) and X-ray diffraction spectrum show that the corrosion products
mostly consist of oxygen as the main element and slightly sulfur. Metallographic …
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