# ISO 726:1982 — Withdrawn and superseded ISO standards For ISO 726:1982, item title is Metallic materials — Hardness test — Calibration of standardized blocks to be used for Brinell hardness testing machines; status code is 9599; successor is ISO 6506-3:1999; withdrawn / published date is 1982-06-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 726:1982 _(verified: appears in the quote below)_ - **Item title:** Metallic materials — Hardness test — Calibration of standardized blocks to be used for Brinell hardness testing machines _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 6506-3:1999 - **Withdrawn / published date:** 1982-06-01 _(verified: appears in the quote below)_ ## What the source says > 4960,IS,,ISO 726:1982,Metallic materials — Hardness test — Calibration of standardized blocks to be used for Brinell hardness testing machines,Matériaux métalliques — Essai de dureté — Étalonnage des blocs de référence à utiliser pour les machines d'essai de dureté Brinell,1982-06-01,1,['77.040.10'],ISO/TC 164/SC 3,9599,,[27574],"['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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).