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ISO 8993:2018

Anodizing of aluminium and its alloys — Rating system for the evaluation of pitting corrosion — Chart method

Publication date:   Sep 18, 2018

General information

90.93 Standard confirmed   May 13, 2024

ISO

ISO/TC 79/SC 2 Organic and anodic oxidation coatings on aluminium

International Standard

25.220.20   Surface treatment | 77.060   Corrosion of metals

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Scope

This document specifies a chart rating system based on standard charts that provides a means of defining levels of performance of anodic oxidation coatings on aluminium and its alloys that have been subjected to corrosion tests.
This rating system is applicable to pitting corrosion resulting from
— accelerated tests,
— exposure to corrosive environments, and
— practical service tests.
This document takes into account only pitting corrosion resulting from penetration of the protective anodic oxidation coating.

Life cycle

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ISO 8993:2010

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PUBLISHED
ISO 8993:2018
90.93 Standard confirmed
May 13, 2024