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ASTM B702-93(2004)

Historical Reaffirmation

Standard Specification for Copper-Tungsten Electrical Contact Material

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1.1 This specification covers electrical contact components made from copper tungsten by powder metallurgical procedures.

1.2 This specification covers compositions within the copper tungsten system normally specified by users of contacts.

1.3 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.

1.4 It is the responsibility of the user to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer.


This specification covers electrical contact components made from copper tungsten by powder metallurgical procedures. The material shall conform to the chemical composition limits as agreed upon between the manufacturer and the user using the newest edition of Annual Book of ASTM standards, or any other approved method agreed upon. Qualification tests for determination of physical properties shall be performed on production parts, wherever practical or applicable. The tests shall be determined after consideration of the function of the part.


SDO ASTM: ASTM International
Document Number B702
Publication Date May 1, 2004
Language en - English
Page Count 3
Revision Level 93(2004)
Supercedes
Committee B02.05
Publish Date Document Id Type View
Nov. 1, 2024 B0702-93R24 Reaffirmation
Nov. 1, 2019 B0702-93R19 Reaffirmation
Oct. 1, 2015 B0702-93R15 Reaffirmation
Oct. 1, 2010 B0702-93R10 Reaffirmation
May 1, 2004 B0702-93R04 Reaffirmation
Sept. 23, 1999 B0702-93R98 Reaffirmation