# ISO 4997:1991 — Withdrawn and superseded ISO standards

For ISO 4997:1991, item title is Cold-reduced steel sheet of structural quality; status code is 9599; successor is ISO 4997:1999; withdrawn / published date is 1991-04-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4997:1991 _(verified: appears in the quote below)_
- **Item title:** Cold-reduced steel sheet of structural quality _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4997:1999
- **Withdrawn / published date:** 1991-04-18 _(verified: appears in the quote below)_

## What the source says

> 11004,IS,,ISO 4997:1991,Cold-reduced steel sheet of structural quality,Tôles en acier de construction laminées à froid,1991-04-18,2,['77.140.50'],ISO/TC 17/SC 12,9599,[11003],[27823],"['en','fr']",8,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).