1、Designation:B802/B802M10(Reapproved 2016)Standard Specification forZinc5%Aluminum-Mischmetal Alloy-Coated Steel CoreWire for Aluminum Conductors,Steel Reinforced(ACSR)1This standard is issued under the fixed designation B802/B802M;the number immediately following the designation indicates the yearof
2、 original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers round,zinc5%aluminum-mischmetal(Zn5AlM
3、M)alloy-coated,steel core wire withthree classes of Zn5AlMM coating used for mechanicalreinforcement in the manufacture of aluminum conductors,steel reinforced(ACSR).1.2 This specification covers wire of diameter from 0.0500to 0.1900 in.or 1.27 to 4.82 mm,inclusive.1.3 The values stated in either SI
4、 units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.2.Referenced Documents2.1
5、 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:2A90/A90M Test Method for Weight Mass of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA370 Test Methods and Definitions
6、 for Mechanical Testingof Steel ProductsA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsB193 Test Method for Resistivity of Electrical ConductorMaterialsB750 Specification for GALFANE47 Test Methods for Chemical Analysis of Zinc Die-Casting Alloys(Withdrawn 1997)3
7、E1277 Test Method for Analysis of Zinc-5%Aluminum-Mischmetal Alloys by ICP Emission SpectrometryE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.3 Other Standard:GF-1 Standard Practice for Determination of Cerium andLanthanum Compositions in GalfanA
8、lloy(5%Al-0.04%La-0.04%Ce-Bal SHG Zn)43.Terminology3.1 Abbreviations:3.1.1 MMmischmetal.3.1.2Zn5AlMMzinc5%aluminum mischmetal.3.2 Definitions:3.2.1 lotunless otherwise specified in the contract ororder,a lot shall consist of all coils of wire of the samediameter and unit lengths submitted for inspec
9、tion at the sametime.3.2.2 Product CodeDefines product coating type,coatingclass and strength grade.Two product codes for productproduced to this specification:Class A Zn5AlMM Coated=MA2;and Class C Zn5AlMM Coated=MC2.4.Classification4.1 The wire is furnished in two classes of coating,Class Aor Clas
10、s C,as specified,in conformance with the requirementsof Section 10 and Table 1 or Table 2.5.Ordering Information5.1 Orders for material under this specification shall includethe following information:5.1.1 Quantity of each size,5.1.2 Wire diameter in inches or millimeters(Section 14),5.1.3 Product C
11、ode(see paragraphs 3.2.2 and 4.1),5.1.4 Certification,if required(Section 19),5.1.5 Test report,if required(Section 19),and1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.05 onConductors of Ferrous Metal
12、s.Current edition approved Oct.1,2016.Published October 2016.Originallyapproved in 1989.Last previous edition approved in 2010 as B802/B802M 10.DOI:10.1520/B0802_B0802M-10R16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Ann
13、ual 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 International Lead Zinc Research Organization(ILZRO),1822NC Highway 54 East,Suite 120,Durha
14、m NC 27713,http:/www.ilzro.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.1.6 Package Size(Section 20).6.Materials and Manufacture6.1 The base metal shall be steel produced by the open-hearth,electric furnace,or basic oxygen proces
15、s.6.2 The wire shall be cold drawn and coated withZn5AlMM alloy to produce the desired properties.7.Chemical Composition7.1 The steel shall conform to the requirements prescribedin Table 3.7.2 Chemical analysis of the steel shall be conducted inaccordance with Test Methods,Practices and TerminologyA
16、751.7.3 The ingot form of zinc-5%aluminum-mischmetal alloyshall conform to Specification B750.7.3.1 For a two-step coating operation where the firstcoating is zinc(hot-dip galvanized or electrogalvanized),thefinal bath may have an aluminum content of up to 7.2%,toprevent depletion of the aluminum content of the bath.7.3.2 Method of AnalysisThe determination of chemicalcomposition shall be made in accordance with suitable chemi-cal(Test Methods E47 for Tin),ICP argon plasma spectromet-ric(Practic
