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  • BSI
    BS EN ISO 9227:2022 Corrosion tests in artificial atmospheres. Salt spray tests
    Edition: 2022
    $435.35
    / user per year

Description of BS EN ISO 9227:2022 2022

This document specifies the apparatus, the reagents and the procedure to be used in conducting the neutral salt spray (NSS), acetic acid salt spray (AASS) and copper-accelerated acetic acid salt spray (CASS) tests for assessment of the corrosion resistance of metallic materials, with or without permanent or temporary corrosion protection. It also describes the method employed to evaluate the corrosivity of the test cabinet environment. It does not specify the dimensions or types of test specimens, the exposure period to be used for a particular product, or the interpretation of results. Such details are provided in the appropriate product specifications. The salt spray tests are particularly useful for detecting discontinuities, such as pores and other defects, in certain metallic, organic, anodic oxide and conversion coatings. The NSS test is particularly applicable to: —    metals and their alloys; —    metallic coatings (anodic and cathodic); —    conversion coatings; —    anodic oxide coatings; —    organic coatings on metallic materials. The AASS test is especially useful for testing decorative coatings of copper + nickel + chromium, or nickel + chromium. It has also been found suitable for testing anodic and organic coatings on aluminium. The CASS test is useful for testing decorative coatings of copper + nickel + chromium, or nickel + chromium. It has also been found suitable for testing anodic and organic coatings on aluminium. The salt spray methods are all suitable for checking that the quality of a metallic material, with or without corrosion protection, is maintained. They are not intended to be used for comparative testing as a means of ranking different materials relative to each other with respect to corrosion resistance or as means of predicting long-term corrosion resistance of the tested material.

Standard NumberBS EN ISO 9227:2022
TitleCorrosion tests in artificial atmospheres. Salt spray tests
StatusWithdrawn
Publication Date2022-11-25
Withdrawn Date2024-06-19
ReplacesBS EN ISO 9227:2017
Identical National Standard OfEN ISO 9227, ISO 9227
DescriptorsTest equipment, Acetic acid, Chemical-resistance tests, Electrochemical coating, Conversion coating, Organic coatings, Decorative coatings, Protective coatings, Coatings, Metal coatings, Alloys, Metals, Environmental testing, Artificial weathering tests, Corrosion tests, Accelerated corrosion tests, Salt-spray tests
ICS77.060 Corrosion of metals, 19.040 Environmental testing
CommitteeISENFE/8
ISBN978 0 539 15475 7
PublisherBSI
Pages32

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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