Standard Specification for Tin-Coated, Copper-Clad Steel Wire for Electronic Application

1.1 This specification covers tin-coated copper-clad steel wire for electronic application.1.2 Four classes of tin-coated copper-clad steel wire are covered as follows:1.2.1 Class T30HS Nominal 30 % conductivity, hard-drawn,1.2.2 Class T30A - Nominal 30 % conductivity, annealed,1.2.3 Class T40HS Nominal 40 % conductivity, hard-drawn, and1.2.4 Class T40A - Nominal 40 % conductivity, annealed.1.3 The values stated in inch-pound units are to be regarded