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J Weld Join > Volume 31(2); 2013 > Article
Research Paper
Journal of KWJS 2013;31(2):49-56.
DOI: https://doi.org/10.5781/KWJS.2013.31.2.49    Published online June 5, 2013.
The Sensitization and Intergranular Corrosion Behavior of AISI 316L Clad Steel with Butt Welding
Chul-ku Lee, Jae-Won Park
Correspondence:  Jae-Won Park,
Email: weldingtig@hanmail.net
Abstract
We have investigated traits of clad metals in hot-rolled clad steel plates, sensitization and mechanical properties of STS 316 steel plate and carbon steel(A516). Clad steel plates were butt-weld by SAW+SMAW, and with the time of heat treatment as the variable, heat treatment was conducted at 625℃, for 80, 160, 320, 640, 1280 minutes. As a way to evaluate it, sectioned weldments and external surfaces were investigated to reveal the degree of sensitization by mechanical property, etching and those of EPR test, results were compared with it. In short, the purpose of this study is suggesting some considerations in developing on-site techniques to evaluate the sensitization of stainless steels.
Key Words: EPR test, Etching test, SAW + SMAW, Clad steel, STS 316L, SCC
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