# ISO/TR 4830-4:1978 — Withdrawn and superseded ISO standards For ISO/TR 4830-4:1978, item title is Steel — Determination of low carbon contents — Part 4: Coulometric method after combustion; status code is 9599; successor is ISO/WD 4830-4; withdrawn / published date is 1978-04-01, recorded from its source on 2026-08-05. - **Identifier:** ISO/TR 4830-4:1978 _(verified: appears in the quote below)_ - **Item title:** Steel — Determination of low carbon contents — Part 4: Coulometric method after combustion _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/WD 4830-4 - **Withdrawn / published date:** 1978-04-01 _(verified: appears in the quote below)_ ## What the source says > 10810,TR,,ISO/TR 4830-4:1978,Steel — Determination of low carbon contents — Part 4: Coulometric method after combustion,Acier — Dosage du carbone en faibles teneurs — Partie 4: Méthode coulométrique après combustion,1978-04-01,1,['77.080.20'],ISO/TC 17/SC 1,9599,,[22008],"['en','fr']",8,"

The coulometric method for the determination of low carbon contents in steels after combustion in a current of oxygen is applicable to carbon contents between 0,005 and 0,1 %. Specifies principle, reagents, apparatus, sampling, procedure, special case: carbon contents less than 0,010 % 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).