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ISO 4968:2022

Steel — Macrographic examination by sulphur print (Baumann method) ISO 4968:2022

Publication date:   Apr 4, 2022

General information

60.60 Standard published   Apr 4, 2022

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 document specifies a method (Baumann) for the macrographic examination of steel by means of contact printing using silver salts and acid.
The method is applicable to steels of which the sulphur content is less than 0,40 %. This method can also be applied to cast irons.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4968:1979

NOW

PUBLISHED
ISO 4968:2022
60.60 Standard published
Apr 4, 2022