ASTM B121/B121M-01

    Standard Specification for Leaded Brass Plate, Sheet, Strip, and Rolled Bar

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    1. Scope

    1.1 This specification establishes the requirements for copper-zinc-lead alloys (leaded brass) plate, sheet, strip, and rolled bar. The following alloys are covered:

    Nominal Composition, %
    Copper AlloyPreviously Used
    UNS No.DesignationCopperZincLead Iron
    C33500265.034.5 0.5...
    C34000365.034.0 1.0...
    C34200565.033.0 2.0...
    C35000...61.537.4 1.1...
    C35300461.237.0 1.8...
    C35600661.236.3 2.5...

    1.2 The values stated in either inch-pound units or SI units are to be regarded separately 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 shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.


    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

    B248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar

    B248M Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar (Metric)

    B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast

    B846 Terminology for Copper and Copper Alloys

    E8 Test Methods for Tension Testing of Metallic Materials

    E8M Test Methods for Tension Testing of Metallic Materials [Metric]

    E76 Test Methods for Chemical Analysis of Nickel-Copper Alloys

    E478 Test Methods for Chemical Analysis of Copper Alloys

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)


    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 30102210(Brass plate); 30261600(Brass sheets)


    DOI: 10.1520/B0121_B0121M-01

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