Reference number
ISO 4212:2023
International Standard
ISO 4212:2023
Corrosion of metals and alloys — Method of oxalic acid etching test for intergranular corrosion of austenitic stainless steel
Edition 1
2023-02
Read sample
ISO 4212:2023
79792
Published (Edition 1, 2023)

ISO 4212:2023

ISO 4212:2023
79792
Language
Format
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

  •  : Published
     : 2023-02
    : International Standard published [60.60]
  •  : 1
     : 6
  • ISO/TC 156
    77.060 
  • RSS updates

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