ASTM A529/A529M-01

    Standard Specification for High-Strength Carbon-Manganese Steel of Structural Quality

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    1. Scope

    1.1 This specification covers carbon-manganese steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of buildings and for general structural purposes.

    1.2 Material under this specification is available in two grades:

    Grade Yield Strength,ksi [MPa] Thickness
    50 [345] 50 [345] Plates to 1 in. [25 mm] thick to 12 in. [305 mm] wide
    Bars to 3 1/2 in. [90 mm]
    Shapes-Groups 1 & 2
    55 [380] 55 [380] Plates to 1 in. [25 mm] thick to 12 in. [305 mm] wide
    Bars to 3 in. [75 mm]
    Shapes-Groups 1 & 2

    1.3 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.

    1.4 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.


    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

    A6/A6M Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling


    ICS Code

    ICS Number Code 77.140.10 (Heat-treatable steels)

    UNSPSC Code

    UNSPSC Code 30260000(Structural materials)


    DOI: 10.1520/A0529_A0529M-01

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