ISO 4968:2022

Steel — Macrographic examination by sulphur print (Baumann method)

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.

Edition	2022
Published Date	2022
Published By	International Standardization Organisation
Page Count	8