Electrochemical behaviour of 254SMO stainless steel in comparison with 316L stainless steel and Hastelloy C276 in HCl media

被引：19
|
作者：
De Micheli, L
Barbosa, CA
Andrade, AHP
Agostinho, SML
机构：
[1] Univ Sao Paulo, IQUSP, Inst Chem, Sao Paulo, Brazil
[2] Villares Met SA, Sumare, SP, Brazil
[3] IPEN CNEN SP, Inst Res Energet & Nucl, Sao Paulo, Brazil
来源：
BRITISH CORROSION JOURNAL | 2000年 / 35卷 / 04期
关键词：
D O I：
10.1179/000705900101501371
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electrochemical behaviour of 254SMO stainless steel in HCl solutions has been studied and compared with that observed for other alloys using open circuit potential measurements, potentiodynamic polarisation curves, and SEM analysis techniques, 254SMO does not display pitting corrosion at room temperature in HCl solutions having concentrations less than or equal to5.0M. Its performance is comparable with that of Hastelloy C276 in HCl media in solutions of strength less than or equal to1.0M. The critical pitting temperature for 254SMO exceeds 76 degreesC in 3M HCl solutions.
引用
收藏
页码：297 / 300
页数：4
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