1 Scope 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.
BS ISO 4212:2023由英国标准学会 GB-BSI 发布于 2023-02-28,并于 2023-02-28 实施。
BS ISO 4212:2023在国际标准分类中归属于: 77.060 金属的腐蚀。
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