INVESTIGATIONS OF CORROSION SENSITIVITY IN TYPICAL SOIL ENVIRONMENTS OF SHAN-JING GAS PIPELINE

J Chin Soc Corr Pro

2006, Vol. 26

Issue (4): 211-215 DOI:

Research Report

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INVESTIGATIONS OF CORROSION SENSITIVITY IN TYPICAL SOIL ENVIRONMENTS OF SHAN-JING GAS PIPELINE

rong wang;

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Abstract The buried tests and the electro-chemical experiments were applied to investigate the corrosion sensitivity of X60 steel in typical soil environments of Shan-Jing gas pipeline.There is quite different on the soil corrosion sensitivity along the gas pipeline due to the difference of the soils.The one of three typical test soils has higher corrosion sensitivity.The morphology of the soil corrosion is characteristic of pitting and ulcer corrosion .The results of statistical analysis show that the logarithm of the maximum depth of the pitting is submitted to the normal distribution.The self corrosion potentials and the polarization curves depend on the content of water in the soil intensively.The process of the electro-chemical corrosion is mainly controlled by the electro-chemical polarization.

Key words: soil corrosion corrosion pitting electrochemistry Shan-jing gas pipeline

Received: 30 May 2005

ZTFLH:

TG172.4

Corresponding Authors: rong wang

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Cite this article:

rong wang. INVESTIGATIONS OF CORROSION SENSITIVITY IN TYPICAL SOIL ENVIRONMENTS OF SHAN-JING GAS PIPELINE. J Chin Soc Corr Pro, 2006, 26(4): 211-215 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2006/V26/I4/211

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