ISO 4969:1980
Withdrawn
Date published:
Steel — Macroscopic examination by etching with strong mineral acids
This macroscopic method has very wide application. Selection of the type and concentration of the reagent, the temperature of the reaction and the conditions of surface preparation of the test piece make it possible to achieve the required aim. Specifies general, principle, reagents, test piece, procedure, preservation of test pieces and test report.
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77.040.99 Other methods of testing metals
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ISO 4969:1980
Get this standard
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