International Standard
ISO 8994:2018
Anodizing of aluminium and its alloys — Rating system for the evaluation of pitting corrosion — Grid method
Reference number
ISO 8994:2018
Edición 3
2018-11
International Standard
Vista previa
ISO 8994:2018
72813
No disponible en español
Publicado (Edición 3, 2018)
Esta norma se revisó y confirmó por última vez en 2024. Por lo tanto, esta versión es la actual.

ISO 8994:2018

ISO 8994:2018
72813
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Formato
CHF 42
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Resumen

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.

Informaciones generales

  •  : Publicado
     : 2018-11
    : Norma Internacional confirmada [90.93]
  •  : 3
     : 4
  • ISO/TC 79/SC 2
    77.060  25.220.20 
  • RSS actualizaciones

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