ASTM_B_889_-_98.pdf

Designation:B 889 98Standard Specification forSolid Hard-Drawn Aluminum Wire for Electrical Purposes1This standard is issued under the fixed designation B 889;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers solid hard-drawn aluminumwire manufactured for electrical applications.1.2 This specification contains requirements that are not inaccordance with Specification B 230.1.3 This specification is a North American harmonizeddocument.(Canada,Mexico,and the United States).1.4 Products manufactured in compliance with this standardwill also be in agreement with IEC 889.1.5 This specification sets forth requirements in metricunits.1.6 The following precautionary statement pertains only tothe test method portion,Section 13,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 The following documents form a part of this specifica-tion to the extent referenced herein:2.2 ASTM Standards:B 230 Specification forAluminum 1350-H19 Wire for Elec-trical Purposes22.3IEC Standard:IEC 889 Hard Drawn Aluminum Wire for Overhead LineConductors33.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 lota group of production units that was producedduring the same time period,under similar production condi-tions,and is presented for acceptance at the same time.3.1.2 production unita coil,reel,spool,or other packageof wire that represents a single usable length.3.1.3 quality assessment procedurea procedure followedby the manufacturer that shows evidence of statistical control.3.1.4 samplethe production unit or units from which a testspecimen or specimens has been removed,and that is consid-ered to have properties representative of the lot.3.1.5 specimena length of wire removed for test purposes.4.Special Ordering Information4.1 Orders for material described in this specification shouldcontain the requirement“ASTM B 889”to ensure compliancewith harmonized attributes.5.Aluminum Redraw Rod5.1 Aluminum rod used to draw wires to this specificationmust have an aluminum content of 99.5%minimum.5.2 The aluminum rod shall be suitable for the densitytensile and resistivity properties as outlined in this specifica-tion.6.Tensile Properties At 20 C6.1 The minimum tensile strength of the drawn wire isshown in Table 1.6.2 When requested by the purchaser,tension tests shall bemade on samples of wire containing joints.The minimumtensile strength of the wire joint shall be 130 MPa.7.Bending Properties7.1 The wire shall not break when wrapped eight turnsaround a mandrel of equal diameter to the wire at a rate not toexceed 60 rev/min.Six turns shall then be unwrapped andagain closely wrapped.8.Resistivity8.1 The electrical resistivity shall not exceed 28.264 nVm at20C.9.Density9.1 The density of the aluminum shall be 2703 kg/m3at20C.9.2 The value in 9.1 shall be used to calculate the conductorarea and weight.9.3 The performance value of weight is required to deter-mine installation tensioning.9.4 The performance value of area may be used to calculateampacity.If specified by the purchaser,the electrical perfor-mance of the conductor may be judged by its d.c.resistance in1This guide is under the jurisdiction of ASTM Committee B-1 on ElectricalConductors and is the direct responsibility of Subcommittee B01.07 on Conductorsof Light Metals.Current edition approved Sept.10,1998.Published November 1998.2Annual Book of ASTM Standards,Vol 02.03.31991 IEC/CEI International Standard 1089.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTMNOTICE:Thisstandardhaseitherbeensupercededandreplacedbyanewversionordiscontinued.ContactASTMInternational(www.astm.org)forthelatestinformation.which case the area measurement is not required.10.Diameter10.1 The wire diameter shall be expressed in millimeters totwo decimal places.10.2 Wire diameters 3.00 mm and less shall not vary fromthe nominal diameter more than 6 0.03 mm.Wires over 3.00mm shall not vary from nominal more than 61%.11.Joints11.1 No joints are permitted in packages weighing less than500 kg.11.2 Not more than 10%of the packages in any oneconsignment may contain a joint.11.3 Packages containing a joint must be identified.12.Sampling12.1 One sample shall be taken from 10%of packages inany one consignment.12.2 Alternatively,the purchaser may accept the qualityassessment procedure operated by the manufacturer.12.3 Special sampling procedures may be the result of