ASTM A434-04

    Standard Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered

    SUPERSEDED (see Active link, below)


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    1. Scope

    1.1 This specification covers hot-wrought and cold-finished quenched and tempered alloy steel bars.

    1.2 Hot-wrought bars are available in three strength level classes designated BB, BC, and BD, and cold-finished bars in two strength level classes designated BB and BC. The bars are available in the conditions specified in 4.4 subject to the size limitations shown.

    1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


    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

    A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

    A108 Specification for Steel Bar, Carbon and Alloy, Cold-Finished

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    E112 Test Methods for Determining Average Grain Size


    ICS Code

    ICS Number Code 77.140.60 (Steel bars and rods)

    UNSPSC Code

    UNSPSC Code 30263700(Steel alloy bars)


    DOI: 10.1520/A0434-04

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