Standard Active Last Updated: Dec 01, 2022 Track Document
ASTM B840-22

Standard Specification for Electrodeposited Coatings of Zinc Cobalt Alloy Deposits

Standard Specification for Electrodeposited Coatings of Zinc Cobalt Alloy Deposits B0840-22 ASTM|B0840-22|en-US Standard Specification for Electrodeposited Coatings of Zinc Cobalt Alloy Deposits Standard new BOS Vol. 02.05 Committee B08
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Abstract

This specification covers the requirements for electrodeposited zinc cobalt alloy coatings on metals. The coating class is Class 1 and five coating types are Type a, Type b, Type c, Type d, and Type e. The metal to be plated shall be subjected to such cleaning, pickling, and electroplating procedures. Coating requirements include: substrate, nature of coating, appearance, thickness, adhesion, corrosion resistance, and pre- and post-coating treatments of iron and steel for reducing the risk of hydrogen embrittlement. Adhesion, porosity, corrosion resistance, or appearance tests shall be made.

Scope

1.1 This specification covers the requirements for electrodeposited zinc cobalt alloy coatings on metals.

1.2 The following precautionary caveat pertains to the test method portion only, Section 8, of this specification: 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.

1.3 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.

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Details
Book of Standards Volume: 02.05
Developed by Subcommittee: B08.06
Pages: 5
DOI: 10.1520/B0840-22
ICS Code: 25.220.40