# ISO 2779:1973 — Withdrawn and superseded ISO standards

For ISO 2779:1973, item title is Aluminium machining alloys — Chemical composition and mechanical properties of alloys Al-Cu6 Bi Pb and Al-Cu4 Pb Mg; status code is 9599; successor is ISO 209-1:1989; withdrawn / published date is 1973-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2779:1973 _(verified: appears in the quote below)_
- **Item title:** Aluminium machining alloys — Chemical composition and mechanical properties of alloys Al-Cu6 Bi Pb and Al-Cu4 Pb Mg _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 209-1:1989
- **Withdrawn / published date:** 1973-09-01 _(verified: appears in the quote below)_

## What the source says

> 7761,IS,,ISO 2779:1973,Aluminium machining alloys — Chemical composition and mechanical properties of alloys Al-Cu6 Bi Pb and Al-Cu4 Pb Mg,Alliages d'aluminium de décolletage — Composition chimique et caractéristiques mécaniques des alliages Al-Cu6 Bi Pb et Al-Cu4 Pb Mg,1973-09-01,1,['77.120.10'],ISO/TC 79/SC 6,9599,,[4076],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).