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, and
1.2.4 Class T40A - Nominal 40 % conductivity, annealed.
1.3 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate. The values given in parentheses are for information only.
This specification covers tin-coated, copper-clad steel wires for electronic applications. The four classes of steel wires considered here are: hard-drawn wires with 30% nominal conductivity (Class T30HS); annealed wires with 30% nominal conductivity (Class T30A); hard-drawn wires with 40% nominal conductivity (Class T40HS); and annealed wires with 40% nominal conductivity (Class T40A). Specimens shall go through tests and shall adhere to specified requirements for dimensions, electrical resistivity, tensile strength, and coating continuity and adherence.
SDO | ASTM: ASTM International |
Document Number | B520 |
Publication Date | Oct. 1, 2007 |
Language | en - English |
Page Count | 6 |
Revision Level | 93(2007) |
Supercedes | |
Committee | B01.06 |