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

Standard No.

ISO 4968:1979

Release Date

1979

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 4968:2022

Latest

ISO 4968:2022

Scope

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.

ISO 4968:1979 history

• 2022 ISO 4968:2022 Steel — Macrographic examination by sulphur print (Baumann method)
• 1979 ISO 4968:1979 Steel; Macrographic examination by sulfur print (Baumann method)