Reference number
ISO 4969:1980
© ISO 2024
ISO 4969:1980
Steel — Macroscopic examination by etching with strong mineral acids
Edition 1
1980-02
Withdrawn
Withdrawn (Edition 1, 1980)

Abstract

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1980-02
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 17/SC 7
    ICS :
    77.040.99 
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