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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.220 Surface treatment and coating>25.220.20 Surface treatment>BS EN ISO 8993:2018 Anodizing of aluminium and its alloys. Rating system for the evaluation of pitting corrosion. Chart method
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BS EN ISO 8993:2018 Anodizing of aluminium and its alloys. Rating system for the evaluation of pitting corrosion. Chart method

BS EN ISO 8993:2018

Anodizing of aluminium and its alloys. Rating system for the evaluation of pitting corrosion. Chart method

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Standard number:BS EN ISO 8993:2018
Pages:20
Released:2018-10-31
ISBN:978 0 580 95643 0
Status:Standard
DESCRIPTION

BS EN ISO 8993:2018


This standard BS EN ISO 8993:2018 Anodizing of aluminium and its alloys. Rating system for the evaluation of pitting corrosion. Chart method is classified in these ICS categories:
  • 25.220.20 Surface treatment
  • 77.060 Corrosion of metals

This document specifies a chart rating system based on standard charts 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 resulting from penetration of the protective anodic oxidation coating.

NOTE ISO 8994[1] describes a similar rating system based on defined grids.