# ISO 8993:1989 — Withdrawn and superseded ISO standards

For ISO 8993:1989, item title is Anodized aluminium and aluminium alloys — Rating system for the evaluation of pitting corrosion — Chart method; status code is 9599; successor is ISO 8993:2010; withdrawn / published date is 1989-04-13, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8993:1989 _(verified: appears in the quote below)_
- **Item title:** Anodized aluminium and aluminium alloys — Rating system for the evaluation of pitting corrosion — Chart method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 8993:2010
- **Withdrawn / published date:** 1989-04-13 _(verified: appears in the quote below)_

## What the source says

> 16522,IS,,ISO 8993:1989,Anodized aluminium and aluminium alloys — Rating system for the evaluation of pitting corrosion — Chart method,Aluminium et alliages d'aluminium anodisés — Système de cotation de la corrosion par piqûres — Méthode reposant sur des images-types,1989-04-13,1,"['25.220.20','77.060']",ISO/TC 79/SC 2,9599,,[51498],"['en','fr']",9,"<p>Specifies a chart rating system based on standard charts that provides a means of defining levels of performance of anodic oxide coatings that have been subjected to corrosion tests. This rating system is applicable to pitting corrosion of the basis metal resulting from accelerated tests, exposure to corrosive environments and practical servic

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).