# ISO/TR 4949:1989 — Withdrawn and superseded ISO standards

For ISO/TR 4949:1989, item title is Steel names based on letter symbols; status code is 9599; successor is ISO/TS 4949:2003; withdrawn / published date is 1989-07-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TR 4949:1989 _(verified: appears in the quote below)_
- **Item title:** Steel names based on letter symbols _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/TS 4949:2003
- **Withdrawn / published date:** 1989-07-06 _(verified: appears in the quote below)_

## What the source says

> 10965,TR,,ISO/TR 4949:1989,Steel names based on letter symbols,Désignations des aciers fondées sur des lettres symboles,1989-07-06,1,['77.080.20'],ISO/TC 17,9599,,[37676],"['en','fr']",12,<p>This Technical report of type 2 gives a survey of a designation system for steel selected for use in International Standards. This survey is intended as a base for further unification.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).