Electrochemical Behavior of 430 Ferritic Stainless Steel in HCl Solution at Different Temperatures

Pei Yang Shi; Xiao Liang Li; Ying Ying Yue; Cheng Jun Liu; Mao Fa Jiang

doi:10.4028/www.scientific.net/AMM.446-447.394

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 446-447Electrochemical Behavior of 430 Ferritic Stainless...

Electrochemical Behavior of 430 Ferritic Stainless Steel in HCl Solution at Different Temperatures

Abstract:

The environmental concerns brought during pickling process of stainless steel in HNO₃-containing acids need urgent attention. Choosing the hydrochloric acid pickling process as study object, this paper conducted a systematic study of the effect of temperature on the electrochemical behavior of stainless steel in hydrochloric acid solution. Research indicated that as temperature rose, the corrosion potential of 430SS in hydrochloric acid solution moved to positive direction with band to a narrow 0.1V. Meanwhile, the current intensity increased which indicated the acceleration of corrosion rate. In addition, the anode Tafel slope increased firstly and decreased later while the cathode Tafel slope increased slightly.

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Periodical:

Applied Mechanics and Materials (Volumes 446-447)

Pages:

394-397

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.446-447.394

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Online since:

November 2013

Authors:

Pei Yang Shi, Xiao Liang Li, Ying Ying Yue, Cheng Jun Liu, Mao Fa Jiang

Keywords:

430 Ferritic Stainless Steel, Electrochemistry, Hydrochloric Acid Solution, Temperature

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