Active standard | Published: 15/11/2022

ASTM B840-22

Standard Specification for Electrodeposited Coatings of Zinc Cobalt Alloy Deposits

Available languages: English

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Detail information

Designation: ASTM B840-22

Publication date: 15/11/2022

Pages: 5

Country: American technical standard

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Anotation

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.

Keywords:
coatings electrodeposited, corrosion resistant coatings, electrodeposited zinc cobalt alloy plating, zinc cobalt ,, ICS Number Code 25.220.40 (Metallic coatings)

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