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ISO 4969:1980

Steel — Macroscopic examination by etching with strong mineral acids ISO 4969:1980

Publication date:   Feb 1, 1980

95.99 Withdrawal of Standard   Jun 19, 2015

General information

95.99 Withdrawal of Standard   Jun 19, 2015

ISO

ISO/TC 17/SC 7 Methods of testing (other than mechanical tests and chemical analysis)

International Standard

77.040.99   Other methods of testing of metals

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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.

Life cycle

NOW

WITHDRAWN
ISO 4969:1980
95.99 Withdrawal of Standard
Jun 19, 2015

REVISED BY

PUBLISHED
ISO 4969:2015