ASTM B105 - 05(2020)

    Standard Specification for Hard-Drawn Copper Alloy Wires for Electric Conductors

    Active Standard ASTM B105 | Developed by Subcommittee: B05.02

    Book of Standards Volume: 02.01


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    Abstract

    This specification covers hard-drawn round copper alloy wires for electric conductors. The wires shall be made in any one of ten distinct alloys designated 8.5, 13, 15, 20, 30, 40, 55, 74, 80, and 85 in accordance with their increasing electrical conductivities. Specimens shall undergo tests to which they shall meet the required values for chemical composition, electrical resistivity, and mechanical and physical properties. The mechanical properties to be examined are elongation and tensile strength, while the physical properties in consideration are wire diameter, area, and density. The completed wire, to which no joints are to be made, shall be free from all imperfections not consistent with the best commercial practice.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers hard-drawn round copper alloy wires for electric conductors.

    1.2 The copper alloy wires shall be made in any one of ten distinct alloys designated 8.5 to 85 in accordance with their increasing conductivities or designated by assigned UNS numbers (see Explanatory Note 1) as follows:

     

    Copper Alloy UNS
    No.

     

    Copper Alloy UNS
    No.

    Alloy 8.5

    C65100

    Alloy 40

     

    Alloy 13

    C51000

    Alloy 55

    C16500

    Alloy 15

     

    Alloy 74

    C19600

    Alloy 20

     

    Alloy 80

    C16200

    Alloy 30

    C50700

    Alloy 85

    C16200

    1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3.1 Exception—The SI values of density and resistivity are to be regarded as standard.

    1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    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

    B193 Test Method for Resistivity of Electrical Conductor Materials

    B258 Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as Electrical Conductors

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


    ICS Code

    ICS Number Code 29.060.10 (Wires)

    UNSPSC Code

    UNSPSC Code 26121517(Copper wire)


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

    DOI: 10.1520/B0105-05R20

    Citation Format

    ASTM B105-05(2020), Standard Specification for Hard-Drawn Copper Alloy Wires for Electric Conductors, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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