Paper Title:
Compatibility Evaluation for Application of Lean Duplex Stainless Steels to Seawater Systems in Nuclear Power Plants
  Abstract

Lean duplex stainless steels have been developed in Korea for the purpose of being used in the seawater systems of industries. The flow velocity of some part of seawater systems in nuclear power plants is high and damages of components from corrosion are severe. Therefore, this environment requires using high strength and high corrosion resistant steels. The newly developed lean duplex stainless steels STS329LD(20.3Cr-2.2Ni-1.4Mo) and STS329J3L(22.4Cr-5.7Ni-3.6Mo) are evaluated for the compatibility in seawater systems of nuclear power plants. In this study, the physical & mechanical properties and corrosion resistance of two alloys were quantitatively evaluated in comparison with commercial stainless steel 316L. Microstructures and mechanical properties of them were analyzed and the electrochemical properties related to corrosion resistance were measured such as pitting potential, passive current density, and corrosion rates from Tafel analysis. Critical pitting temperatures were measured in accordance with ASTM G48E method. The pitting initiation time and lifetime for replacement were predicted from the PRE values of test alloys and empirical equations that have been formulated from the condenser tubes of a nuclear power plant.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
382-385
DOI
10.4028/www.scientific.net/MSF.654-656.382
Citation
H. Y. Chang, H. B. Park, Y. S. Kim, S. K. Ahn, K. T. Kim, Y. Y. Jang, "Compatibility Evaluation for Application of Lean Duplex Stainless Steels to Seawater Systems in Nuclear Power Plants", Materials Science Forum, Vols. 654-656, pp. 382-385, 2010
Online since
June 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Bing Ying Wang, Zhen Tong Sun
Abstract:Four different metal coatings of pure aluminum, aluminum zinc alloy, titanium, aluminum Titanium were prepared on the surface of X80 pipeline...
533
Authors: Feng Jun Lang, Ying Ma, Jian Rong Liu, Xian Qiu Huang, Mou Cheng Li
Chapter 1: Surface Engineering/Coatings
Abstract:The influence of passivation on pitting corrosion of 316L stainless steel in concentrated seawater was investigated by using cyclic anodic...
127
Authors: Stanisław Lalik, Joanna Gucwa
II. Processing Technologies
Abstract:The paper presents tests results of mechanical properties, hardness measurements, microstructure and the content of ferrite with the use of...
107
Authors: Francisco Pinto Filho, Crislene Rodrigues da Silva Morais, Karla Valéria Miranda de Campos, José Jefferson da Silva Nascimento, Josué da Silva Burit
Chapter 4: Applocations
Abstract:Arthroplasty is a surgery that aims to replace the defective joint surfaces, aiming to restore their functions. Is employed in this type of...
507