ASTM B901 - 04(2011)

    Standard Specification for Compressed Round Stranded Aluminum Conductors Using Single Input Wire Construction

    Active Standard ASTM B901 | Developed by Subcommittee: B01.07

    Book of Standards Volume: 02.03


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    Abstract

    This specification covers aluminum 1350-H19, 1350-H16 or -H26, 1350-H14 or -H24, 1350-H142 or -H242, and aluminum alloy 8XXX series for tempers "O" and H1X or H2X, bare stranded conductors composed of one or more roller shaped or die compressed layers of helically laid wires. The conductors are for general use for electrical purposes. The conductors described in this specification are intended for subsequent insulation or covering. The areas of cross section, the minimum number of wires, and diameters of the finished strand shall conform to the prescribed construction requirements. The rated strength of 1350-H19 conductors shall be taken as the percent of the sum of the strengths of the component wires, calculated using the nominal wire diameters and the specified minimum average tensile strength. The rated strength of 800 series conductors shall be taken as the percent of the sum of strengths of the component wires, calculated using nominal wire diameters and the specified minimum average tensile strength. The approximate mass and electrical resistance may be determined using the standard increments due to stranding. Mechanical and electrical tests shall be made for not annealed and annealed conductors after stranding. Temperature correction factors for conductor resistance shall be provided when dc resistance is measured at specified temperatures.

    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 aluminum 1350-H19 (extra hard), 1350-H16 or -H26 (¾ hard), 1350-H14 or -H24 (½ hard), 1350-H142 or -H242 (½ hard), and aluminum alloy 8XXX series as listed in Specification B800 for tempers O and H1X or H2X, bare stranded conductors composed of one or more roller shaped or die compressed layers of helically layed wires. The conductors are for general use for electrical purposes (Explanatory Notes 1 and 2).

    Note 1—For the purposes of this specification, single input wire (SIW) construction is defined as follows: a stranded conductor design methodology that varies the number of wires within a range of conductor sizes in order to permit that range of conductor sizes to be constructed from a single wire size.

    1.2 The SI values for resistivity are regarded as standard. For all other properties, the inch-pound units are regarded as standard and the SI units may be approximate.

    Note 2—Prior to 1975, aluminum 1350 was designated as EC aluminum.

    Note 3—The aluminum and temper designations conform to ANSI H35.1. Aluminum 1350 corresponds to Unified Numbering System A91350 in accordance with Practice E527. Aluminum alloys in the 8000 series correspond to Unified Numbering System A98XXX in accordance with Practice E527.

    Note 4—This specification also permits conductors for use as covered or insulated electrical conductors.

    Note 5—Sealed conductors, which are intended to prevent longitudinal water propagation and are further covered/insulated, are also permitted within the guidelines of this 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

    B193 Test Method for Resistivity of Electrical Conductor Materials

    B230/B230M Specification for Aluminum 1350-H19 Wire for Electrical Purposes

    B263 Test Method for Determination of Cross-Sectional Area of Stranded Conductors

    B354 Terminology Relating to Uninsulated Metallic Electrical Conductors

    B609/B609M Specification for Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes

    B800 Specification for 8000 Series Aluminum Alloy Wire for Electrical Purposes--Annealed and Intermediate Tempers

    B801 Specification for Concentric-Lay-Stranded Conductors of 8000 Series Aluminum Alloy for Subsequent Covering or Insulation

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

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

    Other Standards

    NBSHandbook100ȁ


    ICS Code

    ICS Number Code 29.240.20 (Power transmission and distribution lines)

    UNSPSC Code

    UNSPSC Code 26121500(Electrical wire)


    DOI: 10.1520/B0901-04R11

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