OS GSO ISO 4968:2015
ISO 4968:1979
Omani Standard
Current Edition
·
Approved on
03 September 2015
Steel -- Macrographic examination by sulfur print (Baumann method)
OS GSO ISO 4968:2015 Files
English
3 Pages
Current Edition
Reference Language
OMR
20.35
OS GSO ISO 4968:2015 Scope
This International Standard specifies a method (Baumann) for the macrographic examination of steel by means of contact printing using silver salts and sulphuric acid.
The method is applicable to non-alloy and alloy steels1) of which the sulphur content is less than 0,1 %.)
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