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ISO 4212:2023

Corrosion of metals and alloys — Method of oxalic acid etching test for intergranular corrosion of austenitic stainless steel

Standard Details

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
Standard Type: Main
Document No: ISO 4212:2023
Document Year: 2023
Pages: 6
Edition: 1
  • Section Volume:
  • ISO/TC 156. Corrosion of metals and alloys
  • ICS:
  • 77.060 Corrosion of metals

Life Cycle

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ISO 4212:2023
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