Behavior of CO2 corrosion of API 5L X52 steel in NaCl solution under turbulent flow condition

Andi Rustandi, Nitiyoga Adhika, Tezar Prima, Nur Aziz

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Citations (Scopus)

Abstract

The presence of carbon dioxide (CO2) and water in the fluid can cause severe internal corrosion in the pipelines. This study aims to observe corrosion behavior during the changes in flow rate and acidity conditions in order to obtain the relationship between the parameters by the measured corrosion rate. Corrosion rate measurements were performed for API 5L X52 steel material by using polarization method in 3.5% NaCl solution with saturated CO2 injection. Solution with different acidity were applied which has pH 4, 5, and 6 respectively. To simulate the flow rate, a Rotating Cylinder Electrode RCE was used at various rotation rates 0, 375, 750, 1500, and 3000 rpm, at room temperature (25 °C) and atmospheric pressure. Based on testing results, the changes in rotation converted to flow rate showed that the corrosion mechanism of API 5L X52 steel in NaCl solution with saturated CO2 content was mainly controlled by mass transport at pH=4 whereas chemically controlled involved both at pH=5 and pH=6 conditions.

Original languageEnglish
Title of host publicationAdvances in Materials, Processing and Manufacturing
Pages476-483
Number of pages8
DOIs
Publication statusPublished - 2013
Event13th International Conference on Quality in Research, QiR 2013 - Yogyakarta, Indonesia
Duration: 25 Jun 201328 Jun 2013

Publication series

NameAdvanced Materials Research
Volume789
ISSN (Print)1022-6680

Conference

Conference13th International Conference on Quality in Research, QiR 2013
Country/TerritoryIndonesia
CityYogyakarta
Period25/06/1328/06/13

Keywords

  • CO corrosion
  • Carbon steel
  • Transport mass
  • Turbulent
  • Wall shear stress

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