# ISO 3271:1985 — Withdrawn and superseded ISO standards For ISO 3271:1985, item title is Iron ores — Determination of tumbler strength; status code is 9599; successor is ISO 3271:1995; withdrawn / published date is 1985-02-07, recorded from its source on 2026-08-05. - **Identifier:** ISO 3271:1985 _(verified: appears in the quote below)_ - **Item title:** Iron ores — Determination of tumbler strength _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 3271:1995 - **Withdrawn / published date:** 1985-02-07 _(verified: appears in the quote below)_ ## What the source says > 8500,IS,,ISO 3271:1985,Iron ores — Determination of tumbler strength,Minerais de fer — Essai au tambour,1985-02-07,2,['73.060'],ISO/TC 102/SC 3,9599,[8499],[1652],"['en','fr']",6, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).