ASTM B566-2004a(2011) Standard Specification for Copper-Clad Aluminum Wire《铜包铝线的标准规格》.pdf
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1、Designation: B566 04a (Reapproved 2011)Standard Specification forCopper-Clad Aluminum Wire1This standard is issued under the fixed designation B566; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numbe
2、r in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers bare round copper-clad alumi-num
3、wire for electrical applications.1.2 Four classes of copper-clad aluminum wire are coveredas follows:Class 10ANominal 10 volume % copper, annealed.Class 15ANominal 15 volume % copper, annealed.Class 10HNominal 10 volume % copper, hard-drawn.Class 15HNominal 15 volume % copper, hard-drawn.1.3 The val
4、ues stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3.1 ExceptionThe values stated in SI units for resistivityand density are to be regarded as st
5、andard.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 ConductorMaterialsB258 Specification for Nominal Diameters
6、and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Usedas Electrical Conductors2.3 National Institute of Standards and Technology:3NBS Handbook 100Copper Wire Tables3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 lota lot is any amount of wire of one class and sizepre
7、sented for acceptance at one time; such amount, however,not to exceed 100 production units.3.1.2 samplea quantity of production units (coils, reels,and so forth) selected at random from the lot for the purpose ofdetermining conformance of the lot to the requirements of thisspecification.3.1.3 specim
8、ena length of wire removed for test purposesfrom any individual production unit of the sample.4. Ordering Information4.1 Orders for material under this specification shall includethe following information:4.1.1 Quantity of each size and class;4.1.2 Wire size, diameter in inches (see Section 7 and Ta
9、ble1);4.1.3 Class of wire (see 1.2 and Table 1);4.1.4 Packaging and shipping (Section 14 and packaginginspection if required, 13.1); and4.1.5 Place of inspection (see 13.1).5. Materials and Manufacture5.1 The wire shall consist of a core of aluminum with acontinuous outer cladding of copper thorough
10、ly bonded to thecore throughout and shall be of such quality as to meet therequirements of this specification.6. General Requirements6.1 Tensile Strength and ElongationThe copper-clad alu-minum wire shall conform to the tensile strength and elonga-tion requirements of Table 1. For intermediate diame
11、ters notlisted in Table 1, the elongation requirements of the nextsmaller size shall apply; in the case of tensile strength therequirements of the next larger size shall apply.6.2 ResistivityThe electrical resistivity at a temperature of20C shall not exceed the values prescribed in Table 2. SeeNote
12、1 for calculating electrical resistance.NOTE 1Relationships which may be useful in connection with thevalues of electrical resistivity prescribed in this specification are shown inTable 3. Resistivity units are based on the International Annealed CopperStandard (IACS) adopted by IEC in 1913, which i
13、s158 Vmm2/m and thevalue of 0.15328 Vg/m2at 20C are, respectively, the internationalequivalent of volume and weight resistivity of annealed copper equal to1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.
14、06 onComposite Conductors.Current edition approved April 1, 2011. Published September 2011. Originallyapproved in 1972. Last previous edition approved in 2004 as B566 04a. DOI:10.1520/B0566-04AR11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service a
15、t serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from National Institute of Standards and Technology (NIST), 100Bureau Dr., Stop 3460, Gaithersburg, MD 20899-3460.1Copyright ASTM International, 100 Barr
16、 Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.100 % conductivity. The later term means that a copper wire1minlengthand weighing 1 g would have a resistance of 0.15328 V. This is equivalentto a resistivity value of 875.20 Vlb/mile2, which signifies the resistanceof a cop
17、per wire 1 mile in length weighing 1 lb. It is also equivalent, forexample, to 1.7241 V/cm of length of a copper bar 1 cm2in cross section.A complete discussion of this subject is contained in NBS Handbook 100.The use of five significant figures in expressing resistivity does not implythe need for g
18、reater accuracy of measurement than that specified in TestMethod B193. The use of five significant figures is required for completereversible conversion from one set of resistivity units to another.6.3 CohesionThe copper-clad aluminum wire, whentested in accordance with 10.4, shall be free from seam
19、s orsplits. Examination of the wire shall be made at a magnificationnot to exceed 103.6.4 AdhesionThe copper-clad aluminum wire, whentested in accordance with 10.5, shall be free from claddingdelamination. Examination of the wire shall be made at amagnification not to exceed 103.6.5 JointsThe finish
20、ed wire shall contain no joints orsplices.6.6 Copper ThicknessThe minimum copper thickness,when tested in accordance with 10.6, shall be not less than thefollowing:6.6.1 Class 10A and 10H wire shall have a minimumthickness of not less than 3.5 % of the wire radius.6.6.2 Class 15A and 15H wire shall
21、have a minimumthickness of not less than 5.0 % of the wire radius.6.7 Copper Volume (Area)The copper volume (area) perclass, when tested in accordance with 10.6, shall meet thefollowing tolerances:6.7.1 Class 10A and 10H wire shall contain not less than8 % and not more than 12 % copper by volume (ar
22、ea).6.7.2 Class 15A and 15H wire shall contain not less than13 % and not more than 17 % copper by volume (area).7. Dimensions, Mass and Permissible Variations7.1 The wire size shall be expressed as the diameter of thewire in decimal fractions of an inch to the nearest 0.0001 in.(0.003 mm) (Note 2).
23、For diameters under 0.0100 in. (0.254mm), the wire shall not vary from the specified diameter bymore than 60.0001 in. (60.003 mm) and for diameters of0.0100 in. (0.254 mm) and over, the wire shall not vary fromthe specified diameter by more than 61 %, expressed to thenearest 0.0001 in. (0.003 mm).NO
24、TE 2The values of the wire diameters in Table 1 are given to thenearest 0.0001 in. (0.003 mm) and correspond to the standard sizes givenin Specification B258. The use of gage numbers to specify wire sizes is notrecognized in this specification because of the possibility of confusion. Adiscussion of
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