ASTM B840-22 - 15.11.2022
 
1. 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.

 
2. Referenced Documents

B762-21

Standard Guide of Variables Sampling of Metallic and Inorganic Coatings

D3951-18(2023)

Standard Practice for Commercial Packaging

B320-60(2019)

Standard Practice for Preparation of Iron Castings for Electroplating

B322-99(2020)e1

Standard Guide for Cleaning Metals Prior to Electroplating (Includes all amendments and changes 12/7/2020).

B374-21

Standard Terminology Relating to Electroplating

B850-98(2022)

Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement

B117-19

Standard Practice for Operating Salt Spray (Fog) Apparatus

B183-18(2022)

Standard Practice for Preparation of Low-Carbon Steel for Electroplating

B242-99(2020)

Standard Guide for Preparation of High-Carbon Steel for Electroplating

B487-20

Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section

B499-09(2021)e1

Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals (Includes all amendments and changes 5/18/2021).

B504-90(2023)

Standard Test Method for Measurement of Thickness of Metallic Coatings by the Coulometric Method

B697-88(2021)

Standard Guide for Selection of Sampling Plans for Inspection of Electrodeposited Metallic and Inorganic Coatings

B849-02(2023)

Standard Specification for Pre-Treatments of Iron or Steel for Reducing Risk of Hydrogen Embrittlement

B507-14(2021)

Standard Practice for Design of Articles to Be Electroplated on Racks

B568-98(2021)

Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry

B571-23

Standard Practice for Qualitative Adhesion Testing of Metallic Coatings

B602-21

Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings