ASTM A153/A153M-01

    Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

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    1. Scope

    1.1 This specification covers zinc coatings applied by the hot-dip process on iron and steel hardware.

    1.2 This specification is intended to be applicable to hardware items that are centrifuged or otherwise handled to remove excess galvanizing bath metal (free zinc). Coating thickness grade requirements reflect this.

    1.3 This specification is applicable to orders in either inch-pound units (as A153) or in SI units (as A153M). Inch-pound units and SI units are not necessarily exact equivalents. Within the text of this specification and where appropriate, SI units are shown in parentheses. Each system shall be used independently of the other without combining values in any way. In the case of orders in SI units, all testing and inspection shall be done using the metric equivalent of the test or inspection method as appropriate. In the case of orders in SI units, such shall be stated to the galvanizer when the order is placed.

    1.4 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

    A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings

    A143/A143M Practice for Safeguarding Against Embrittlement of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement

    A780 Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings

    A902 Terminology Relating to Metallic Coated Steel Products

    B6 Specification for Zinc

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

    B960 Specification for Prime Western Grade-Recycled (PWG-R) Zinc

    E376 Practice for Measuring Coating Thickness by Magnetic-Field or Eddy-Current (Electromagnetic) Testing Methods

    F1470 Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection

    F1789 Terminology for F16 Mechanical Fasteners


    ICS Code

    ICS Number Code 91.190 (Building accessories)

    UNSPSC Code

    UNSPSC Code 31160000(Hardware)


    DOI: 10.1520/A0153_A0153M-01

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