ASTM B699-86(2003)

    Standard Specification for Coatings of Cadmium Vacuum-Deposited on Iron and Steel

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    1. Scope

    1.1 This specification covers the requirements for a cadmium coating vacuum-deposited on iron and steel basis metals. The coating is especially beneficial to those ferrous metals, heat treated to 46HRC and higher or having an ultimate tensile strength greater than 1500 MPa, wherein protection against corrosion and appearance are important (see Appendix X1).

    1.2 Vacuum-deposited production items are normally free of hydrogen embrittlement, a danger when using electroplating processes for deposition. Vacuum deposition can handle large high-strength parts that cannot be conveniently mechanically plated in the rotating barrels.

    1.3 The coating is provided in various thicknesses up to and including 12 μm (3.1) either in the as-deposited condition or with a supplementary finish (3.2).

    1.4 The following precautionary caveat pertains only to the test methods portion, Section 9, of this specification: This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    B117 Practice for Operating Salt Spray (Fog) Apparatus

    B183 Practice for Preparation of Low-Carbon Steel for Electroplating

    B201 Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces

    B242 Guide for Preparation of High-Carbon Steel for Electroplating

    B254 Practice for Preparation of and Electroplating on Stainless Steel

    B320 Practice for Preparation of Iron Castings for Electroplating

    B322 Guide for Cleaning Metals Prior to Electroplating

    B440 Specification for Cadmium

    B487 Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section

    B499 Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals

    B504 Test Method for Measurement of Thickness of Metallic Coatings by the Coulometric Method

    B567 Test Method for Measurement of Coating Thickness by the Beta Backscatter Method

    B568 Test Method for Measurement of Coating Thickness by X-Ray Spectrometry

    B571 Practice for Qualitative Adhesion Testing of Metallic Coatings

    B602 Test Method for Attribute Sampling of Metallic and Inorganic Coatings

    B697 Guide for Selection of Sampling Plans for Inspection of Electrodeposited Metallic and Inorganic Coatings

    E396 Test Methods for Chemical Analysis of Cadmium

    F519 Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments


    ICS Code

    ICS Number Code 25.220.40 (Metallic coatings)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/B0699-86R03

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