ASTM B105-05
(Specification)Standard Specification for Hard-Drawn Copper Alloy Wires for Electric Conductors
Standard Specification for Hard-Drawn Copper Alloy Wires for Electric Conductors
ABSTRACT
This specification covers hard-drawn round copper alloy wires for electric conductors. The wires shall be made in any one of ten distinct alloys designated 8.5, 13, 15, 20, 30, 40, 55, 74, 80, and 85 in accordance with their increasing electrical conductivities. Specimens shall undergo tests to which they shall meet the required values for chemical composition, electrical resistivity, and mechanical and physical properties. The mechanical properties to be examined are elongation and tensile strength, while the physical properties in consideration are wire diameter, area, and density. The completed wire, to which no joints are to be made, shall be free from all imperfections not consistent with the best commercial practice.
SCOPE
1.1 This specification covers hard-drawn round copper alloy wires for electric conductors.
1.2 The copper alloy wires shall be made in any one of ten distinct alloys designated 8.5 to 85 in accordance with their increasing conductivities or designated by assigned UNS numbers (see Explanatory ) as follows:Copper Alloy UNSNo.Copper Alloy UNSNo.Alloy 8.5C65100Alloy 40Alloy 13C51000Alloy 55C16500Alloy 15Alloy 74C19600Alloy 20Alloy 80C16200Alloy 30C50700Alloy 85C16200
1.3 The SI values of density and resistivity are to be regarded as standard. For all other properties the inch-pound values are to regarded as standard, and the SI values may be approximate.
General Information
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Standards Content (Sample)
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Designation: B105 – 05
Standard Specification for
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Hard-Drawn Copper Alloy Wires for Electric Conductors
This standard is issued under the fixed designation B105; the number immediately following the designation indicates the year of
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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 2.3 Other Document:
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NBS Handbook 100—Copper Wire Tables
1.1 Thisspecificationcovershard-drawnroundcopperalloy
wires for electric conductors.
3. Ordering Information
1.2 The copper alloy wires shall be made in any one of ten
3.1 Orders for material under this specification should
distinct alloys designated 8.5 to 85 in accordance with their
include the following information:
increasing conductivities or designated by assigned UNS
3.1.1 Quantity of each size and grade,
numbers (see Explanatory Note 1) as follows:
3.1.2 Wire size: diameter in inches or millimetres (see 9.1
Copper Alloy Copper Alloy
and Table 1),
UNS UNS
No. No.
3.1.3 Alloy (see 1.2 and Table 1),
3.1.4 Special composition limits, if required (see 5.2),
Alloy 8.5 C65100 Alloy 40
3.1.5 Package size (see 14.1),
Alloy 13 C51000 Alloy 55 C16500
Alloy 15 Alloy 74 C19600
3.1.6 Special package marking, if required, and
Alloy 20 Alloy 80 C16200
3.1.7 Place of inspection (see 13.1).
Alloy 30 C50700 Alloy 85 C16200
1.3 The SI values of density and resistivity are to be 4. Material and Manufacture
regarded as standard. For all other properties the inch-pound
4.1 The material used shall be copper alloys of such nature
values are to regarded as standard, and the SI values may be
andcompositionastosecurebypropertreatmenttheproperties
approximate.
prescribed in this specification for the finished wire.
2. Referenced Documents
5. Chemical Composition
2.1 The following documents of the issue in effect on the
5.1 The chemical composition of copper alloy wires shall
date of material purchase form a part of this specification to the
conform to the requirements of Table 2. The values prescribed
extent referenced herein.
in Table 2 cover limits of composition of the different alloys
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2.2 ASTM Standards:
which may be supplied (see Note 2).
B193 Test Method for Resistivity of Electrical Conductor
5.2 The maximum percentage of the various alloying ele-
Materials
ments to be found in any one of the alloys is prescribed in
B258 Specification for Nominal Diameters and Cross-
Table 2. If the purchaser elects to check the composition of any
SectionalAreas ofAWG Sizes of Solid Round Wires Used
material supplied to conform to the performance requirements
as Electrical Conductors
ofanyoneofthealloys,thecompositionlimitsshouldbemade
E527 Practice for Numbering Metals and Alloys in the
the subject of a definite agreement between the manufacturer
Unified Numbering System (UNS)
and the purchaser in the placing of individual orders.
6. ChemicalAnalysis
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This specification is under the jurisdiction of the ASTM Committee B01 on
6.1 An analysis may be made on each lot of 5000 lb (2300
Electrical Conductors and is the direct responsibility of Subcommittee B01.04 on
Conductors of Copper and Copper Alloys.
kg) or fraction thereof. Millings or clippings shall be made
Current edition approved Oct. 1, 2005. Published November 2005. Originally
from at least ten separate coils. Equal quantities shall be taken
approved in 1936. Last previous edition approved in 2000 as B105 – 00. DOI:
from each coil and shall be thoroughly mixed together.
10.1520/B0105-05.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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Standards volume information, refer to the standard’s Document Summary page on Available from National Technical Information Service (NTIS), U.S. Depart-
the ASTM website. ment of Commerce, 5285 Port Royal Rd., Springfield, VA 22161.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B105 – 05
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A
TABLE 1 Tensile Requirements
NOTE 1—Conversion factors are presented for ready adaptation to computer readout and electronic data transmission. The factors are written as a number greater than one and less than ten with
six or less decimal places. This number is followed by the letter E (for exponent), a plus or minus symbol, and two digits which indicate the power of 10 by which the number must be multiplied
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to obtain the correct value. For example: 2.54E+01= 2.54 3 10 = 25.4.
Tensile Strength, min
Elongation,
Diameter Area min, % Alloy 8.5 Alloy 13 Alloy 15 and 20 Alloy 30 A
...
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