ISO 9227:2017
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Corrosion tests in artificial atmospheres — Salt spray tests
Hardcopy , PDF
English, French
17-03-2017
09-04-2025
ISO 9227:2017 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 neutral salt spray (NSS) test particularly applies to
- metals and their alloys,
- metallic coatings (anodic and cathodic),
- conversion coatings,
- anodic oxide coatings, and
- organic coatings on metallic materials.
The acetic acid salt spray (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 copper-accelerated acetic acid salt spray (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.
| Committee |
ISO/TC 156
|
| DevelopmentNote |
Supersedes ISO 3770, ISO 3769 and ISO 3768. (04/2001) Supersedes ISO 7253. (07/2006) Supersedes ISO/DIS 9227. (03/2017)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DS EN ISO 9227 : 2017 | Identical |
| DIN EN ISO 9227:2017-07 | Identical |
| NEN EN ISO 9227 : 2017 | Identical |
| NS EN ISO 9227 : 2017 | Identical |
| I.S. EN ISO 9227:2017 | Identical |
| PN EN ISO 9227 : 2017 | Identical |
| SS-EN ISO 9227:2017 | Identical |
| BS EN ISO 9227:2017 | Identical |
| EN ISO 9227:2017 | Identical |
| NF EN ISO 9227 : 2017 | Identical |
| DIN 50021:1988-06 | Corresponds |
| UNE-EN ISO 9227:2017 | Identical |
| SAC GB/T 10125 : 1997 | Identical |
| NF ISO 9227 : 1991 | Identical |
| UNE 112017:1992 | Identical |
A newer version of this standard is available.
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