Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM B201-80(2000)

Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces

Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces B0201-80R00 ASTM|B0201-80R00|en-US Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces Standard new BOS Vol. 02.05 Committee B08
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Scope

1.1 This practice covers a procedure for evaluating the protective value of chemical and electrochemical conversion coatings produced by chromate treatments of zinc and cadmium surfaces.

1.2 The protective value of a chromate coating is usually determined by salt-spray test and by determining whether or not the coating possesses adequate abrasion resistance.

1.3 Other methods, such as exposure to a humidity environment, can be used, but are generally of too long a duration to be of practical value. "Steam Tests" using pressure cookers have also been used for testing chromate films on hot-dip galvanized surfaces.

1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 02.05
Developed by Subcommittee: B08.07
Pages: 3
DOI: 10.1520/B0201-80R00
ICS Code: 25.220.40