ISO 4968:1979 Steel - Macrographic examination by sulfur print (Baumann method)

standard by International Organization for Standardization, 11/01/1979

Full Description

The Baumann method uses contact printing using silver salts and sulphuric acid. It is applicable to non-alloy and alloy steels and to cast irons of which the sulphur content is less than 0.1 %. Specifies general, principle, products and reagents, test pieces, procedure and test report.