ASTM B242-99

    Standard Guide for Preparation of High-Carbon Steel For Electroplating

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    1. Scope

    1.1 This practice is intended as an aid in establishing and maintaining a preparatory cycle for electroplating on high-carbon steel (Note 1) producing a minimum of hydrogen embrittlement and maximum adhesion of the electrodeposited metal. For the purpose of this practice, steels containing 0.35% of carbon or more, and case-hardened low-carbon steel, are defined as high-carbon steels. There is no generally recognized definite carbon content dividing high- from low-carbon steels for electroplating purposes.

    Note 1-Electroplating of plain high-carbon steel introduced problems not found in similar operations on low-carbon steel. During the cleaning and electroplating cycle, high-carbon steel differs from low-carbon steel in regard to its greater tendency to become embrittled and the greater difficulty in obtaining maximum adhesion of the electrodeposit. The preparation of low-carbon steel for electroplating is covered in Practice B183.

    1.2 This practice does not apply to the electroplating of alloy steel. For methods of chromium electroplating directly on steel see Practice B177.

    1.3 This standard does not purport to address all of the safety problems 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. For a specific hazards statement, see 3.1.


    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

    B177 Guide for Engineering Chromium Electroplating

    B183 Practice for Preparation of Low-Carbon Steel for Electroplating

    B849 Specification for Pre-Treatments of Iron or Steel for Reducing Risk of Hydrogen Embrittlement

    B850 Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement


    ICS Code

    ICS Number Code 25.220.20 (Surface treatment)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/B0242-99

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