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ISO 8994

Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method

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Organization: ISO
Publication Date: 1 November 2018
Status: active
Page Count: 10
ICS Code (Surface treatment): 25.220.20
ICS Code (Corrosion of metals): 77.060
scope:

This document specifies a grid rating system 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 of the basis metal resulting from penetration of the protective anodic oxidation coating.

NOTE 1 ISO 8993[1] describes a similar rating system based on defined chart scales.

NOTE 2 The grid rating system is frequently used for rating the results of short-term corrosion tests for relatively thin anodic oxidation coating, such as those used in the automotive industry.

 

Document History

ISO 8994
November 1, 2018
Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method
This document specifies a grid rating system that provides a means of defining levels of performance of anodic oxidation coatings on aluminium and its alloys that have been subjected to corrosion...
March 1, 2011
Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method
This International Standard specifies a grid rating system that provides a means of defining levels of performance of anodic oxidation coatings on aluminium and its alloys that have been subjected to...
January 1, 1989
Anodized Aluminium and Aluminium Alloys - Rating System for the Evaluation of Pitting Corrosion - Grid Method First Edition
A description is not available for this item.

References

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