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naSRPS EN ISO 4969:2026

Steel - Etching method for macroscopic examination (ISO 4969:2015)

General information

40.20     Oct 29, 2026

40.60    Dec 31, 2026

ISS

C164

European Norm

77.040.99  

English  

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Scope

ISO 4969:2015 establishes guidelines for the macroscopic examination of steel by hot etching, room temperature etching and electrolytic etching.
The method has very wide application. Selection of the type, concentration and temperature of the reagent, the etching apparatus and the conditions of surface preparation of the test piece make it possible to achieve the required aim.
NOTE It might be difficult to see fine voids and cracks and discriminate between them and determine their nature by macroetching.

Life cycle

NOW

PROJECT
naSRPS EN ISO 4969:2026
40.20 DIS ballot initiated: 12 weeks
Oct 29, 2026

Related project

Adopted from prEN ISO 4969 IDENTICAL

Adopted from ISO 4969:2015 IDENTICAL

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