# ISO/R 1556:1971 — Withdrawn and superseded ISO standards

For ISO/R 1556:1971, item title is Copper and copper alloy tubes of circular section — Flattening test; status code is 9599; successor is ISO 8492:1986; withdrawn / published date is 1971-08-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO/R 1556:1971 _(verified: appears in the quote below)_
- **Item title:** Copper and copper alloy tubes of circular section — Flattening test _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 8492:1986
- **Withdrawn / published date:** 1971-08-01 _(verified: appears in the quote below)_

## What the source says

> 6146,R,,ISO/R 1556:1971,Copper and copper alloy tubes of circular section — Flattening test,Tubes en cuivre et en alliages de cuivre de section circulaire — Essai d'aplatissement,1971-08-01,1,"['77.040.10','77.150.30']",ISO/TC 164/SC 2,9599,,[15702],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).