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Corrosion behavior of X70 pipeline steel buried in soils at Inner Mongolia

  • Dian Chen Feng*
  • , Yi Quan Song
  • , Tao Li
  • , Xiao Gang Li
  • *Corresponding author for this work
  • Inner Mongolia University of Science and Technology
  • Inner Mongolia Key Laboratory for Advanced Metals and Materials
  • University of Science and Technology Beijing

Research output: Contribution to journalArticlepeer-review

Abstract

The corrosion of X70 pipeline steel in soils of five test sites at Inner Mongolia was studied by burying the steel specimens for two years. The corrosion morphology of the buried steel specimens as observed by SEM and the corrosion products were analyzed by using EDS and XRD. The results showed that the difference in corrosion rates of the steel was large in the five field soils. The maximum of corrosion rate 8.2924 g/dm2·d was observed foX70 buried at the test site at Bameng area. The corrosion rates of X70 for two years are lower than those for one year. The corrosion products were mainly consisted of Fe3O4 and FeO.

Original languageEnglish
Pages (from-to)78-80
Number of pages3
JournalCorrosion Science and Protection Technology
Volume23
Issue number1
StatePublished - 2011
Externally publishedYes

Keywords

  • Inner mongolia
  • Rate of corrosion
  • Soil corrosion
  • X70 pipeline steel

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