# ISO 4498-1:1990 — Withdrawn and superseded ISO standards For ISO 4498-1:1990, item title is Sintered metal materials, excluding hardmetals — Determination of apparent hardness — Part 1: Materials of essentially uniform section hardness; status code is 9599; successor is ISO/DIS 4498 | ISO 4498:2005; withdrawn / published date is 1990-08-23, recorded from its source on 2026-08-05. - **Identifier:** ISO 4498-1:1990 _(verified: appears in the quote below)_ - **Item title:** Sintered metal materials, excluding hardmetals — Determination of apparent hardness — Part 1: Materials of essentially uniform section hardness _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/DIS 4498 | ISO 4498:2005 - **Withdrawn / published date:** 1990-08-23 _(verified: appears in the quote below)_ ## What the source says > 10395,IS,,ISO 4498-1:1990,"Sintered metal materials, excluding hardmetals — Determination of apparent hardness — Part 1: Materials of essentially uniform section hardness",Matériaux métalliques frittés à l'exclusion des métaux-durs - Détermination de la dureté apparente — Partie 1: Matériaux ayant essentiellement une dureté uniforme dans la section,1990-08-23,2,"['77.160','77.040.10']",ISO/TC 119/SC 3,9599,[10394],"[25003,39961]","['en','fr']",3,"
Applies to sintered materials not subjected to heat treatment and sintered materials heat treated in such a way that hardness is essentially uniform to a depth of at least 5 mm below the surface. Gives apparatus, sampling and preparation of test ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).