International Standard
ISO 4212:2023
Corrosion of metals and alloys — Method of oxalic acid etching test for intergranular corrosion of austenitic stainless steel
Reference number
ISO 4212:2023
Edition 1
2023-02
© ISO 2024
International Standard
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Published (Edition 1, 2023)

ISO 4212:2023

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Language
CHF 42
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Abstract

This document specifies a method to test for intergranular corrosion (IGC) in austenitic stainless steels using an oxalic acid etch. This method can evaluate non-sensitization of austenitic stainless steels by observing the structure of the etched surface with a microscope after performing electrolytic etching (hereinafter called “etching”) on austenitic stainless steel in an oxalic acid solution.

General information

  • Status
     : Published
    Publication date
     : 2023-02
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 156
    ICS :
    77.060 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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