ASTM_B_401_-_12_2016.pdf

Designation:B40112(Reapproved 2016)Standard Specification forCompact Round Concentric-Lay-Stranded AluminumConductors,Steel-Reinforced(ACSR/COMP)1This standard is issued under the fixed designation B401;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()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers compact round concentric-lay-stranded conductors made from aluminum 1350-H19(extrahard)wires and round zinc-coated,aluminum-coated,oraluminum-clad steel core wires usually used in overhead lines.These conductors shall be constructed with one steel core wiresurrounded by one or more layers of helically-laid compactedor otherwise shaped aluminum wires(Explanatory Note 1 andNote 2).1.2 Compact ACSR covered by this specification has fivetypes of steel core wire which are designated by abbreviationsas follows(Explanatory Note 2 and Note 7).1.2.1 ACSR/GA2/COMPCompact ACSR using Class Azinc-coated steel wire,1.2.2 ACSR/GC2/COMPCompact ACSR using Class Czinc-coated steel wire,1.2.3 ACSR/AW2/COMPCompactACSRusingaluminum-clad steel wire,AW2(Normal Strength).1.2.4 ACSR/AW3/COMPCompactACSRusingaluminum-clad steel wire,AW3(High Strength).1.3 The SI values of density and resistivity are to beregarded as standard.For all other properties the inch-poundvalues are to be regarded as standard and the SI units may beapproximate.NOTE1Prior to 1975,aluminum 1350 was designated as ECaluminum.NOTE2The aluminum and temper designations conform to ANSIH35.1.Aluminum 1350 corresponds to Unified Numbering SystemA91350 in accordance with Practice E527.2.Referenced Documents2.1 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein.2.2 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB230/B230M Specification for Aluminum 1350H19 Wirefor Electrical PurposesB232/B232M Specification for Concentric-Lay-StrandedAluminum Conductors,Coated-Steel Reinforced(ACSR)B263 Test Method for Determination of Cross-SectionalArea of Stranded ConductorsB341/B341M Specification for Aluminum-Coated(Alumi-nized)Steel Core Wire for Aluminum Conductors,SteelReinforced(ACSR/AZ)(Withdrawn 2007)3B354 Terminology Relating to Uninsulated Metallic Electri-cal ConductorsB498/B498M Specification for Zinc-Coated(Galvanized)Steel Core Wire for Use in Overhead Electrical Conduc-torsB502 Specification for Aluminum-Clad Steel Core Wire forUse in Overhead Electrical Aluminum ConductorsB802M Specification for Zinc-5%Aluminum-MischmetalAlloy-Coated Steel Core Wire for Aluminum Conductors,Steel Reinforced(ACSR)Metric(Discontinued 1998-Replaced by B 802/B802M)(Withdrawn 1998)3E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)2.3 Other Documents:ANSI H35.1 American National Standard Alloy and TemperDesignation Systems For Aluminum4NBS Handbook 100 Copper Wire Tables of the NationalBureau of Standards51This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.07 onConductors of Light Metals.Current edition approved Oct.1,2016.Published October 2016.Originallyapproved in 1963.Last previous edition approved in 2012 as B401 12.DOI:10.1520/B0401-12R16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.5Available from National Technical Information Service(NTIS),5301 ShawneeRd.,Alexandria,VA 22312,http:/www.ntis.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Ordering Information3.1 Orders for material under this specification shall includethe following information:3.1.1 Quantity of each size and stranding(Table 1),3.1.2 Conductor size:circular-mil area or AWG(Section 6,and Table 1),3.1.3 Steel wire coating or aluminum-clad(see 11.3),3.1.4 Special tension test,if required(see 15.3),3.1.5 Place of inspection(Section 16),and3.1.6 Packaging and Package Marking(Section 17).4.Joints4.1 Electric-butt welds,electric-butt,cold-upset welds,orcold-pressure welds in the individual round-drawn or shapedaluminum wires may be made during the stranding process.Noweld shall occur within 50 ft(15 m)of a weld in the same wireor in any other wire of the completed conductor.4.2 There shall be no joints of any k