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.
Document identifier
ISO 4969:2015
Title
Steel - Etching method for macroscopic examination
ISO Category
TC 17/SC 7: Methods of testing (other than mechanical tests and chemical analysis)
Publication date
2015-08-15
International Relationship
History of version
ISO 4969:2015 * ISO 4969:1980
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68 vnd |
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