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ASTM B501-10

Current Revision

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

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1.1 This specification covers silver-coated, round, copper-clad steel wire for electronic application.

1.2 Silver coatings in mass percentages of the total mass of the coated wire are as follows: 1.25, 2.5, 4.0, 6.1, and 8.0.

1.2.1 Silver-coated wire having different minimum percentage of silver by mass may be obtained by mutual agreement between the manufacturer and the purchaser. For information purposes, the thickness of coating in microinches provided by the mass percentages listed in 1.2 is shown in Table 1.

1.3 Four classes of copper-clad steel wire are covered as follows: Class 30HS nominal 30 % conductivity hard-drawn, Class 30A nominal 30 % conductivity annealed, Class 40HS nominal 40 % conductivity hard-drawn, and Class 40A nominal 40 % conductivity annealed.

1.4 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.

1.4.1 ExceptionIn resistivity the SI units are to be regarded as the standard

1.5 The following safety hazards caveat pertains to the test method described in this specification. This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. (CautionConsideration should be given to toxicity and flammability when selecting solvent cleaners.)

This specification deals with silver-coated, round, copper-clad steel wires for electronic applications. The four classes of steel wires covered here are Classes 30HS, 30A, 40HS, and 40A. Specimens shall undergo tests that shall evaluate their conformance to the following physical properties: tensile strength, elongation, electrical resistivity, continuity and mass of the coating, and dimensions and density of the wire.


SDO ASTM: ASTM International
Document Number B501
Publication Date April 1, 2010
Language en - English
Page Count 5
Revision Level 10
Supercedes
Committee B01.06
Publish Date Document Id Type View
April 1, 2010 B0501-10 Revision
Sept. 1, 2004 B0501-04 Revision
April 10, 1999 B0501-99 Revision
Oct. 1, 2024 B0501-10R24 Reaffirmation
Oct. 1, 2019 B0501-10R19 Reaffirmation
April 1, 2015 B0501-10R15 Reaffirmation