# ISO 9443:1991 — Withdrawn and superseded ISO standards

For ISO 9443:1991, item title is Heat-treatable and alloy steels — Surface quality classes for hot-rolled round bars and wire rods — Technical delivery conditions; status code is 9599; successor is ISO 9443:2018; withdrawn / published date is 1991-11-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9443:1991 _(verified: appears in the quote below)_
- **Item title:** Heat-treatable and alloy steels — Surface quality classes for hot-rolled round bars and wire rods — Technical delivery conditions _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9443:2018
- **Withdrawn / published date:** 1991-11-07 _(verified: appears in the quote below)_

## What the source says

> 17146,IS,,ISO 9443:1991,Heat-treatable and alloy steels — Surface quality classes for hot-rolled round bars and wire rods — Technical delivery conditions,Aciers pour traitements thermiques et aciers alliés — Classes de qualité de surface des ronds et fils-machine laminés à chaud — Conditions techniques de livraison,1991-11-07,1,"['77.140.10','77.140.60','77.140.20']",ISO/TC 17/SC 4,9599,,[70647],"['en','fr']",6,"<p>Applies particularly to steels for engineering applications, but may, by agreement, also be applied to structural steels or tool steels. Does not include any requirements for the permissible depth of surface decarburization. Annex A is for information only.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).