ISO-4969 › Steel - Etching method for macroscopic examination
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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.
To find similar documents by classification:
77.040.99 (Other methods of testing of metals)
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Document Number
ISO 4969:2015
Revision Level
2ND EDITION
Status
Current
Publication Date
Aug. 15, 2015
Committee Number
ISO/TC 17/SC 7