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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

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ISO 4212:2023

ISO 4212:2023 Corrosion of metals and alloys – Method of oxalic acid etching test for intergranular corrosion of austenitic stainless steel

CDN $82.00

SKU: 679694abc136 Categories: ,

Description

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.

Edition

1

Published Date

2023-02-08

Status

PUBLISHED

Pages

6

Language Detail Icon

English

Format Secure Icon

Secure PDF

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.

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