ASTM B456-17(2022)

Standard Specification for Electrodeposited Coatings of Copper Plus Nickel Plus Chromium and Nickel Plus Chromium

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STANDARD published on 1.10.2022


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The information about the standard:

Designation standards: ASTM B456-17(2022)
Publication date standards: 1.10.2022
SKU: NS-1086735
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: American technical standard
Category: Technical standards ASTM

The category - similar standards:

Metallic coatings

Annotation of standard text ASTM B456-17(2022) :

This specification establishes the requirements for several types and grades of electrodeposited copper plus nickel plus chromium and nickel plus chromium coatings on steel, copper, copper alloys, Type 300 and 400 series stainless steels, aluminum, aluminum alloys, and zinc alloys for application where both appearance and protection of the basis metal against corrosion are important. This specification does not cover plating on plastics. Each coating shall be designated a classification code, which comprises of the following numbers and symbols: service condition number, which indicates the severity of exposure for which the coating is intended; coating classification number, which contains the chemical symbol of each metallic element that comprises the basis metal, or the designated AISI number in the case of stainless steels, and their corresponding thickness; and symbols for expressing the type of coating. Products shall be sampled and inspected accordingly for visual defects, thickness, adhesion, elongation, ductility, corrosion, sulfur content, density, and discontinuities.

Keywords:

corrosion, decorative, electrodeposited chromium, electrodeposited copper, electrodeposited nickel ,, ICS Number Code 25.220.40 (Metallic coatings)

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