ASTM B105-05(2020) PDF

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
No.

Copper Alloy UNS
No.

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.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.