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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.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
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 Note 1) as follows:
|Copper Alloy UNS|
|Copper Alloy UNS|
|Alloy 8.5||C65100||Alloy 40|
|Alloy 13||C51000||Alloy 55||C16500|
|Alloy 15||Alloy 74||C19600|
|Alloy 20||Alloy 80||C16200|
|Alloy 30||C50700||Alloy 85||C16200|
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3.1 Exception—The SI values of density and resistivity are to be regarded as standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B193 Test Method for Resistivity of Electrical Conductor Materials
B258 Specification for Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as Electrical Conductors
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
ICS Number Code 29.060.10 (Wires)
UNSPSC Code 26121517(Copper wire)
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ASTM B105-05(2012), Standard Specification for Hard-Drawn Copper Alloy Wires for Electric Conductors, ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top