Corrosion Behavior Analysis of Various Ions in the Soil to the X80 Buried Pipeline

Shi Qi Xu; Rui Lin Xie; Li Na

doi:10.4028/www.scientific.net/AMR.535-537.701

Paper Titles

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Effect of Stabilizing Heat Treatment on Intergranular Corrosion Resistance of Welded Stainless Steel AISI 321
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Study on Roll Wear Model for Hot Strip Mill
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Corrosion Behavior Analysis of Various Ions in the Soil to the X80 Buried Pipeline
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Effect of Alloying Elements Ti and Nb on Microstructure and Performance of 3.5Ni Steel
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Experimental Research on Sintering Amorphous Based Material with Iron-Tailings
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Corrosion Behavior Analysis of Various Ions in the Soil to the X80 Buried Pipeline

Abstract:

Abstract：Through physico-chemical analysis of soil under the buried pipeline, the corrosion influence factor of different ions such as 、、 and on X80 has been studied. The result shows that when the ions concentration of 、、 increases, the corrosion rate of X80 steel also rises and then reaches the maximum. After that, the corrosion rate begins decreasing. While for the case of ions, the corrosion rate of X80 steel keeps increasing with the concentration increase. Through detail analyzing the corrosion mechanism of different negative ions on buried pipeline steel and studying the soil corrosion rules, we can provide theoretical basis for the corrosion preventing work, which is very important and meaningful.