ISO 4969:1980

Steel — Macroscopic examination by etching with strong mineral acids

95.99 Withdrawal of Standard 19 qer 2015

General information

Current stage: 95.99 Effective date: 19 qer 2015

Originator: ISO

Owner: ISO/TC 17/SC 7

Type: International Standard

ICS: 77.040.99

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WITHDRAWN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
19 qer 2015

REVISED BY

PUBLISHED
ISO 4969:2015

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