ISO 4968:2022
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Steel Macrographic examination by sulphur print (Baumann method)
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English
04-04-2022
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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