ISO 4969:1980
Steel; Macroscopic examination by etching with strong mineral acids
- Standard No.
- ISO 4969:1980
- Release Date
- 1980
- Published By
- International Organization for Standardization (ISO)
- Status
- Replace By
- ISO 4969:2015
- Latest
- ISO 4969:2015
- 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.
ISO 4969:1980 history
- 2015 ISO 4969:2015 Steel - Etching method for macroscopic examination
- 1980 ISO 4969:1980 Steel; Macroscopic examination by etching with strong mineral acids
