Electrochemical corrosion behavior of X52 and X60 Steels in carbon dioxide containing saltwater solution

Rihan Omar Rihan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

X52 and X60 high strength low alloy (HSLA) steels are widely used in the construction of petroleum pipelines. This paper discusses the corrosion resistance of X52 and X60 steels in CO2 containing saltwater at pH 4.4 and 50°C. A circulating flow loop system inside an autoclave was used for conducting the experimental work. The rotating impeller speed was 2000 rpm. The corrosion rate was monitored using in situ electrochemical methods such as potentiodynamic sweep, linear polarization resistance, and electrochemical impedance spectroscopy (EIS) methods. Results indicated that the corrosion rate of X60 steel is relatively higher than that of X52 steel.

Original languageEnglish
Pages (from-to)227-236
Number of pages10
JournalMaterials Research
Volume16
Issue number1
DOIs
StatePublished - Jan 2013

Keywords

  • CO corrosion
  • High strength low alloy (HSLA) steel
  • Petroleum pipelines
  • X52 steel
  • X60 steel

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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