SUPERSEDED (click for Active standard)
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.
1.4 The following safety hazards caveat pertains only to the test method portion, Section 6, of 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. Specific hazard statements are given in Explanatory Note 1.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B193 Test Method for Resistivity of Electrical Conductor Materials
B258 Specification for Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as Electrical Conductors
B452 Specification for Copper-Clad Steel Wire for Electronic Application
National Institute of Standards and TechnologyNBS Handbook 100 Copper Wire Tables
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ASTM B520-93(1998)e1, Standard Specification for Tin-Coated, Copper-Clad Steel Wire for Electronic Application, ASTM International, West Conshohocken, PA, 1998, www.astm.orgBack to Top