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ASTM B 201 : 1980 : R2019

Current

Current

The latest, up-to-date edition.

Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-01-2019

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

1.2The 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.

1.3Other 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.

1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
B 08
DocumentType
Standard Practice
Pages
3
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM B 117 : 2019 Standard Practice for Operating Salt Spray (Fog) Apparatus

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US$55.00
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