ISO 4969:1980
International Standard
Historical
·
Approved on
01 February 1980
Steel — Macroscopic examination by etching with strong mineral acids
ISO 4969:1980 Files
English
3 Pages
Historical
30.4 BHD
ISO 4969:1980 Scope
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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