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ASTM B559-93(2007)

Historical Reaffirmation

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

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

1.2 Nickel coatings in mass percentages of the total mass of the coated wire are as follows: 2, 4, 7, 10, and 27 %. Nickel-coated wire having different minimum mass percentages of nickel may be obtained by mutual agreement between the manufacturer and the purchaser. For information purposes, the thickness of coating in microinches provided by the percentages listed above is shown in .

1.3 Four classes of nickel-coated, copper-clad steel wire are covered as follows:

1.3.1 Class N30HS - Nominal 30 % conductivity, hard drawn.

1.3.2 Class N30A - Nominal 30 % conductivity, annealed.

1.3.3 Class N40HSNominal 40 % conductivity, hard drawn.

1.3.4 Class N40A - Nominal 40 % conductivity, annealed.

1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only, except for resistivity, where the SI units are to be regarded as the standard.

The following safety hazards caveat pertains only to the test method described in this specification. This standard does not purport to address all of the safety concerns, 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. (Warning-Consideration should be given to toxicity and flammability when selecting solvent cleaners.)


This specification covers nickel-coated, round, copper-clad steel wire for electronic applications. The nickel-coated wire shall consist of the basis wire coated with nickel. Tensile strength and elongation of the nickel-coated wire shall conform to the specified requirements for the applicable size and class of copper-clad steel wire. The electrical resistivity shall not exceed the values specified. Continuity, adherence, and mass of the coating shall be determined. Necessary joints in the wire and rod prior to final coating and drawing shall be made.


SDO ASTM: ASTM International
Document Number B559
Publication Date Oct. 1, 2007
Language en - English
Page Count 7
Revision Level 93(2007)
Supercedes
Committee B01.06
Publish Date Document Id Type View
Oct. 15, 2012 B0559-12 Revision
Oct. 1, 2023 B0559-12R23 Reaffirmation
April 1, 2017 B0559-12R17 Reaffirmation
Oct. 1, 2007 B0559-93R07 Reaffirmation
March 10, 1998 B0559-93R98E01 Reaffirmation
July 15, 1993 B0559-93R02E01 Reaffirmation