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Picture for Effect of Temperature on Iron Sulfide Formation and Transformation on Steel Surface
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Effect of Temperature on Iron Sulfide Formation and Transformation on Steel Surface

Product Number: MECC23-19971-SG
Author: Abdulrahman Alqahtani, Faisal Abbas, Omar Al-Saif, Layan AlSharif, Muthukumar Nagu, Christian Canto Maya
Publication Date: 2023
$20.00

In sour (H2S) corrosion systems, a small amount of H2S can retard the general CO2 corrosion rate of carbon steel by forming a passive iron sulfide (FeS) layer [1], [2]. Environmental factors dictate the formation of protective or partially protective FeS layers on carbon steel surfaces. High H2S levels often result in stable films that reduce the corrosion rate, contingent upon the maintenance of the sulfide layer [2]. Conversely, in slightly sour systems, which initially form mackinawite (FeS) [3], the system has the potential to cause pitting and extremely high localized corrosion rates [2].
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