1.1This specification covers bare round copper-clad steel wire for electronic application.
1.2Four classes of copper-clad steel wire are covered as follows:
1.2.1Class 30HS-Nominal 30 % conductivity hard-drawn,
1.2.2Class 30A-Nominal 30 % conductivity annealed,
1.2.3Class 40HS-Nominal 40 % conductivity hard-drawn, and
1.2.4Class 40A-Nominal 40 % conductivity annealed.
1.3The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are in SI units.
ASTM B452-09(2015) History
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