# ISO 4951:1979 — Withdrawn and superseded ISO standards

For ISO 4951:1979, item title is High yield strength steel bars and sections; status code is 9599; successor is ISO 4951-3:2001 | ISO 4951-1:2001 | ISO 4951-2:2001; withdrawn / published date is 1979-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4951:1979 _(verified: appears in the quote below)_
- **Item title:** High yield strength steel bars and sections _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4951-3:2001 | ISO 4951-1:2001 | ISO 4951-2:2001
- **Withdrawn / published date:** 1979-10-01 _(verified: appears in the quote below)_

## What the source says

> 10972,IS,,ISO 4951:1979,High yield strength steel bars and sections,"Barres, profilés et poutrelles en acier à haute limite d'élasticité",1979-10-01,1,"['77.140.60','77.140.70']",ISO/TC 17/SC 3,9599,,"[27819,1075,27818]","['en','fr']",7,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).