# ISO 4968:1979 — Withdrawn and superseded ISO standards For ISO 4968:1979, item title is Steel — Macrographic examination by sulfur print (Baumann method); status code is 9599; successor is ISO 4968:2022; withdrawn / published date is 1979-11-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 4968:1979 _(verified: appears in the quote below)_ - **Item title:** Steel — Macrographic examination by sulfur print (Baumann method) _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4968:2022 - **Withdrawn / published date:** 1979-11-01 _(verified: appears in the quote below)_ ## What the source says > 10986,IS,,ISO 4968:1979,Steel — Macrographic examination by sulfur print (Baumann method),Acier — Examen macrographique par empreinte au soufre (méthode Baumann),1979-11-01,1,['77.040.99'],ISO/TC 17/SC 7,9599,,[74322],"['en','fr']",3,"
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.
" ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).