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.
Status: PublishedPublication date: 2023-02
Edition: 1Number of pages: 6
Technical Committee: ISO/TC 156 Corrosion of metals and alloys
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