Oct, 31, 2024

Vol.57 No.5

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  • KISE Journal of Korean Institute of Surface Engineering
  • Volume 54(3); 2021
  • Article

Review

KISE Journal of Korean Institute of Surface Engineering 2021;54(3):102-111. Published online: Jan, 3, 2022

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DOI : 10.5695/JKISE.2021.54.3.102

Corrosion Behaviors of Laser-welded Super Duplex Stainless Steel(UNS S32506) Tube with Post-Weld Heat Treatment Conditions

  • Dong Min Cho1, Jin-seong Park1, Seung Gab Hong2, Joong-Ki Hwang3, and Sung Jin Kim1,*
    1Department of Advanced Materials Engineering, Sunchon National University, Jungang-ro, Suncheon 57922, Republic of Korea 2POSCO Technical Research Laboratories, Donghaean-ro, Pohang 37859, Republic of Korea 3School of Mechanical Engineering, Tongmyong Un
Abstract

The corrosion behaviors of laser-welded super duplex stainless steel tubes with post-weld heat treatment(PWHT) conditions(950, 1000, 1050, 1100 ℃ for 5 and 30 min) were evaluated by electrochemical potentiodynamic polarization and critical pitting tempera

Keywords Super duplex stainless steel, UNS S32506, Corrosion, PWHT, Laser welding