Historical
ASTM B1-13
Standard Specification for Hard-Drawn Copper Wire
1.1 This specification covers hard-drawn round copper wire for electrical purposes.
1.2 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.
1.2.1 Exception—For density, resistivity and temperature, the values stated in SI units are to be regarded as standard.
ASTM International [astm]