ASTM B201 - 80(2019) - Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces

ASTM B201 - 80(2019)

Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces

Status : Current   Published : April 2019

Format
PDF

Format
HARDCOPY



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

1.5  This 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.

1.6  This 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.




Standard NumberASTM B201 - 80(2019)
TitleStandard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces
StatusCurrent
Publication Date01 April 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
ICS25.220.40
PublisherASTM
FormatA4
DeliveryYes
Pages3
File Size61 KB
Price£36.00


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