ASTM B850-98

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

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    1. Scope

    1.1 This specification covers procedures for reducing the susceptibility or degree of susceptibility to hydrogen embrittlement or degradation that may arise in the finishing processes.

    1.2 The heat treatment procedures established herein have been shown to be effective for reducing susceptibility to hydrogen embrittlement. This heat-treatment procedure is used after plating operations but prior to any secondary conversion coating operation.

    1.3 This specification has been coordinated with ISO/DIS 9588 and is technically equivalent.

    Note 1-The heat treatment does not guarantee complete freedom from the adverse effects of hydrogen degradation.


    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

    A919 Terminology Relating to Heat Treatment of Metals

    B374 Terminology Relating to Electroplating

    B851 Specification for Automated Controlled Shot Peening of Metallic Articles Prior to Nickel, Autocatalytic Nickel, or Chromium Plating, or as Final Finish


    ICS Code

    ICS Number Code 77.080.01 (Ferrous metals in general)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/B0850-98

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