# ISO 1640:1974 — Withdrawn and superseded ISO standards

For ISO 1640:1974, item title is Wrought copper alloys — Forgings — Mechanical properties; status code is 9599; successor is ISO/WD 1640; withdrawn / published date is 1974-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1640:1974 _(verified: appears in the quote below)_
- **Item title:** Wrought copper alloys — Forgings — Mechanical properties _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 1640
- **Withdrawn / published date:** 1974-11-01 _(verified: appears in the quote below)_

## What the source says

> 6257,IS,,ISO 1640:1974,Wrought copper alloys — Forgings — Mechanical properties,Alliages de cuivre corroyés — Pièces forgées — Caractéristiques mécaniques,1974-11-01,1,['77.150.30'],ISO/TC 26,9599,,[1284],"['en','fr']",2,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).