ASTM B851-04

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

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    1. Scope

    1.1 This specification covers the requirements for automated, controlled shot peening of metallic articles prior to electrolytic or autocatalytic deposition of nickel or chromium, or as a final finish, using shot made of cast steel, conditioned cut wire, or ceramic media. The process is applicable to those materials on which test work has shown it to be beneficial within given intensity ranges. It is not suitable for brittle materials. Hand peening and rotary flap peening are excluded specifically.

    1.2 Shot peening induces residual compressive stresses in the surface and near-surface layers of metallic articles, controlling or limiting the reduction in fatigue properties that occurs from nickel or chromium plating of the article, or the fatigue properties of unplated articles.

    1.3 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 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

    B183 Practice for Preparation of Low-Carbon Steel for Electroplating

    B242 Guide for Preparation of High-Carbon Steel for Electroplating

    B320 Practice for Preparation of Iron Castings for Electroplating

    B322 Guide for Cleaning Metals Prior to Electroplating

    B607 Specification for Autocatalytic Nickel Boron Coatings for Engineering Use

    B650 Specification for Electrodeposited Engineering Chromium Coatings on Ferrous Substrates

    B656 Guide for Autocatalytic (Electroless) Nickel-Phosphorus Deposition on Metals for Engineering Use (Discontinued 2000)

    B689 Specification for Electroplated Engineering Nickel Coatings

    B733 Specification for Autocatalytic (Electroless) Nickel-Phosphorus Coatings on Metal

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves

    E165 Practice for Liquid Penetrant Examination for General Industry

    E709 Guide for Magnetic Particle Testing

    Federal Standards

    QQ-C-320 Chromium Plating (Electrodeposited)

    QQ-N-290 Nickel Plating (Electrodeposited)

    Military Standards

    MIL-C-26074 Coating, Electroless Nickel

    MIL-S-13165 Shot Peening of Metal Parts

    MIL-S-851 Steel Grit, Shot, and Cut Wire Shot, and Iron Grit and Shot Blast Cleaning and Peening

    MIL-STD-45662 Calibration System Requirements

    SAE Standards

    SAE J1830 Size, Classification and Characteristics of Ceramic Shot for Peening

    SAE J441 Cut Steel Wire Shot

    SAE J442 Test Strip, Holder and Gage for Shot Peening

    SEA J827 Cast Steel Shot

    ICS Code

    ICS Number Code 25.220.40 (Metallic coatings)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
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    DOI: 10.1520/B0851-04

    Citation Format

    ASTM B851-04, Standard Specification for Automated Controlled Shot Peening of Metallic Articles Prior to Nickel, Autocatalytic Nickel, or Chromium Plating, or as Final Finish, ASTM International, West Conshohocken, PA, 2004,

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