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ISO 4968:2022

Steel — Macrographic examination by sulphur print (Baumann method)

General information
Valid from 04.04.2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
04.04.2022
Main
01.11.1979
Main
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.
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