# ISO/R 81:1967 — Withdrawn and superseded ISO standards

For ISO/R 81:1967, item title is Vickers hardness test for steel (Load 5 to 100 kgf); status code is 9599; successor is ISO 6507-1:1982; withdrawn / published date is 1967-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO/R 81:1967 _(verified: appears in the quote below)_
- **Item title:** Vickers hardness test for steel (Load 5 to 100 kgf) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6507-1:1982
- **Withdrawn / published date:** 1967-11-01 _(verified: appears in the quote below)_

## What the source says

> 3731,R,,ISO/R 81:1967,Vickers hardness test for steel (Load 5 to 100 kgf),Essai de dureté Vickers pour l'acier (Charges de 5 à 100 kgf),1967-11-01,1,['77.040.10'],ISO/TC 164/SC 3,9599,,[12886],"['en','fr']",3,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).