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    ASTM A563M-07(2013)

    Standard Specification for Carbon and Alloy Steel Nuts (Metric) (Withdrawn 2021)

    Withdrawn Standard: ASTM A563M-07(2013) | Developed by Subcommittee: F16.02


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    Withdrawn Rationale:

    This specification covers chemical and mechanical requirements for eight property classes of hex and hex-flange carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, and other externally threaded parts.

    Formerly under the jurisdiction of Committee F16 on Fasteners, this specification was withdrawn in June 2021 and replaced by Specification A563/A563M for Carbon and Alloy Steel Nuts (Inch and Metric) as a dual unit standard.1

    1. Scope

    1.1 This specification covers chemical and mechanical requirements for eight property classes of hex and hex-flange carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, and other externally threaded parts.

    Note 1Throughout this specification, the term class means property class.
    Note 2Requirements for the four classes 5, 9, 10, and 12 are essentially identical with requirements given for these classes in ISO 898/II. Requirements for Classes 8S and 10S are essentially identical with requirements in an ISO 4775 Hexagon Nuts for High-Strength Structural Bolting with Large Width Across Flats, Product Grade B, Property Classes 8 and 10. Classes 8S3 and 10S3 are not recognized in ISO standards.

    1.2 Classes 8S3 and 10S3 nuts have atmospheric corrosion resistance and weathering characteristics comparable to those of the steels covered in Specification A588/A588M. The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition (see 6.2). When properly exposed to the atmosphere, these steels can be used bare (uncoated) for many applications.

    1.3 The nut size range for which each class is applicable is given in the table on mechanical requirements.

    1.4 Appendix X1 gives guidance to assist designers and purchasers in the selection of a suitable class.

    1.5 Appendix X2 gives data on the properties of slotted hex nuts and hex jam nuts.

    1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    Note 3This specification is the metric companion of Specification A563.



    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

    A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

    A325M Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength (Metric)

    A394 Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

    A490M Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)

    A588/A588M Specification for High-Strength Low-Alloy Structural Steel, up to 50 ksi [345 MPa] Minimum Yield Point, with Atmospheric Corrosion Resistance

    A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products

    B695 Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel

    D3951 Practice for Commercial Packaging

    F568M Specification for Carbon and Alloy Steel Externally Threaded Metric Fasteners (Metric)

    F606M Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets (Metric)

    F812 Specification for Surface Discontinuities of Nuts, Inch and Metric Series

    F1789 Terminology for F16 Mechanical Fasteners

    G101 Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels

    ANSI Standards

    B 1.13M Metric Screw Threads--M Profile

    B 18.2.4.1M Metric Hex Nuts, Style 1

    B 18.2.4.2M Metric Hex Nuts, Style 2

    B 18.2.4.3M Metric Slotted Hex Nuts

    B 18.2.4.4M Metric Hex Flange Nuts

    B 18.2.4.5M Metric Hex Jam Nuts

    B 18.2.4.6M Metric Heavy Hex Nuts


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/A0563M-07R13

    Citation Format

    ASTM A563M-07(2013), Standard Specification for Carbon and Alloy Steel Nuts (Metric) (Withdrawn 2021), ASTM International, West Conshohocken, PA, 2013, www.astm.org

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