ASTM B803-08

    Standard Specification for High-Strength Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Use in Overhead Electrical Conductors


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    1. Scope

    1.1 This specification covers round, high strength, zinc5 % aluminum-mischmetal (Zn5AlMM) alloy-coated, steel core wire with one class of Zn5AlMM coating (MA3) for use in overhead electrical conductors.

    1.2 This specification covers wire of diameter from 0.0500 to 0.1900 in. inclusive or 1.27 to 4.82 mm inclusive.

    1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.


    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

    A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

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

    B193 Test Method for Resistivity of Electrical Conductor Materials

    B750 Specification for GALFAN (Zinc-5 % Aluminum-Mischmetal) Alloy in Ingot Form for Hot-Dip Coatings

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E47 Test Methods for Chemical Analysis of Zinc Die-Casting Alloys

    E1277 Test Method for Chemical Analysis of Zinc-5 % Aluminum-Mischmetal Alloys by ICP Emission Spectrometry

    Other Standard

    GF-1 Standard Practice for Determination of Cerium and Lanthanum Compositions in Galfan Alloy (5 % Al-0.04 % La-0.04 % Ce-Bal SHG Zn) Available from International Lead Zinc Research Organization, 2525 Meridian Parkway, P.O. Box 12036, Research Triangle Park, NC 27709-2036


    ICS Code

    ICS Number Code 29.060.20 (Cables)

    UNSPSC Code

    UNSPSC Code 26121500(Electrical wire)


    Referencing This Standard

    DOI: 10.1520/B0803-08

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM B803-08, Standard Specification for High-Strength Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Use in Overhead Electrical Conductors, ASTM International, West Conshohocken, PA, 2008, www.astm.org

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