International Standard
ISO 4539:1980
Electrodeposited chromium coatings — Electrolytic corrosion testing (EC test)
Reference number
ISO 4539:1980
ISO 4539:1980
Edition 1
1980-10
1980-10
© ISO 2024
International Standard
p
ISO 4539:1980
10450
Published
(Edition 1, 1980)
This standard was last reviewed and confirmed in 2021.
Therefore this version remains current.
Abstract
Specifies a rapid and accurate method for evaluating the corrosion resistance characteristics of electrodeposits on steel or zinc-base die casting designed for outdoor service. Does not describe exposure periods to be used for a specific product, nor the interpretaiton to be given to the results. Test conditions are provided to electrolytically dissolve the underlying coatings of nickel through discontinuities in the chromium overlay at such a rate that electrolysis for 2 min produces about the same extent of corrosion as does 1 year of service.
General information
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Status: PublishedPublication date: 1980-10Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 6
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Technical Committee :ISO/TC 107/SC 7ICS :25.220.40
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