Fatiha Chelgham, Noureddine Bouzid, Mokhtar Saidi, Amira Ouakkaf, Adel Taabouche, Souhila Boudjema, Hanane Largot, Abdellatif Mamanou, Noura Meddoura
Fatiha Chelgham1,2*, Noureddine Bouzid3, Mokhtar Saidi1, Amira Ouakkaf4, Adel Taabouche2, Souhila Boudjema2, Hanane Largot5, Abdellatif Mamanou2, Noura Meddoura1
1Laboratoire De Valorisation et Promotion des Ressources Sahariennes, Université Kasdi Merbah, Ouargla- 30000, Algerie.
2Faculté Des Hydrocarbures, Energies Renouvelables, Science De La Terre et De l’univers, Université Kasdi Merbah, Ouargla - 30000, Algerie.
3Structures, Properties and Inter Atomic Interactions Laboratory (LASPI2A), Faculty of Science and Technology, Unversity of Abbes Laghrour, Khenchela- 40000, Algeria.
4Faculté Des Sciences Exactes, Université Mohamed Khider, Biskra-07000, Algerie.
5Faculté Des Sciences Exactes, Université Echahid Hamma Lakhdar, Eloued- 39000, Algerie.
Volume - 14,
Issue - 1,
Year - 2021
Recently, Pipeline corrosion is a major problem facing many oil and gas industries today because of the enormous downtime associated with corrosion related failures. In this study, the effect of tempering temperature (250, 300 and 550°C) on the corrosion behavior of American Petroleum Institute (API) N80 steel in albian water at different gradient temperatures were investigated using X-ray diffraction (XRD), the electrochemical measurements combined with hardness test. XRD patterns have shown that the API N80 steel samples crystallize in ferrite type structure with a strong (110) orientation. We remarked that all samples the N80 are a nanometric grain size, the values of grain sizes given in the range from 211 to 485 Å. Corrosion rates of samples are correlated with structural changes (grain size, strain) in samples with increasing tempering temperature. Steel N80 with higher tempering temperature exhibited excellent corrosion resistance with lower corrosion current density. The distinction of corrosion resistance can be attributed to increased grain sizes and decreased residual stress and hardness.
Cite this article:
Fatiha Chelgham, Noureddine Bouzid, Mokhtar Saidi, Amira Ouakkaf, Adel Taabouche, Souhila Boudjema, Hanane Largot, Abdellatif Mamanou, Noura Meddoura. Effects of Temperature on Microstructure and Corrosion behavior of API N80 Carbon Steel. Asian J. Research Chem. 2021; 14(1):61-66. doi: 10.5958/0974-4150.2021.00013.
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