Standard Swedish standard · SS-EN ISO 8994:2018

Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method (ISO 8994:2018)

Status: Valid

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.

Subjects

Surface treatment Corrosion of metals


Product information

Language: English

Written by: SIS - Materialteknik

International title: Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method (ISO 8994:2018)

Article no: STD-80008762

Edition: 2

Approved: 12/19/2018

No of pages: 16

Replaces: SS-EN ISO 8994:2011