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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
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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

PUBLISH DATE 2023
ISO 4212:2023

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.

SDO ISO: International Organization for Standardization
Document Number ISO 4212
Publication Date Feb. 1, 2023
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 156
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