# ISO 4950-1:1981 — Withdrawn and superseded ISO standards

For ISO 4950-1:1981, item title is High yield strength flat steel products — Part 1: General requirements; status code is 9599; successor is ISO 4950-1:1995; withdrawn / published date is 1981-05-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4950-1:1981 _(verified: appears in the quote below)_
- **Item title:** High yield strength flat steel products — Part 1: General requirements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4950-1:1995
- **Withdrawn / published date:** 1981-05-01 _(verified: appears in the quote below)_

## What the source says

> 10966,IS,,ISO 4950-1:1981,High yield strength flat steel products — Part 1: General requirements,Produits plats en acier à haute limite d'élasticité — Partie 1: Prescriptions générales,1981-05-01,1,['77.140.50'],ISO/TC 17/SC 3,9599,,[10967],"['en','fr']",5,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).