# ISO 6508-3:2015 — Withdrawn and superseded ISO standards

For ISO 6508-3:2015, item title is Metallic materials — Rockwell hardness test — Part 3: Calibration of reference blocks; status code is 9599; successor is ISO 6508-3:2023; withdrawn / published date is 2015-02-25, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6508-3:2015 _(verified: appears in the quote below)_
- **Item title:** Metallic materials — Rockwell hardness test — Part 3: Calibration of reference blocks _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6508-3:2023
- **Withdrawn / published date:** 2015-02-25 _(verified: appears in the quote below)_

## What the source says

> 59687,IS,,ISO 6508-3:2015,Metallic materials — Rockwell hardness test — Part 3: Calibration of reference blocks,Matériaux métalliques — Essai de dureté Rockwell — Partie 3: Étalonnage des blocs de référence,2015-02-25,3,['77.040.10'],ISO/TC 164/SC 3,9599,[37745],[83893],"['en','fr']",17,"<p>ISO 6508-3:2015 specifies a method for the calibration of reference blocks to be used for the indirect and daily verification of Rockwell hardness testing machines, as specified in ISO 6508‑2:2015.</p><p>Attention is drawn to the fact that the use of hard metal for ball indenters is considered to be the standard type of Rockwell indenter ball. Steel indenter balls can be used only when complying with ISO

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).