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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 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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 become familiar with all hazards including those identified in the appropriate Data Safety Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B328 Test Method for Density, Oil Content, and Interconnected Porosity of Sintered Metal Structural Parts and Oil-Impregnated Bearings
ICS Number Code 77.150.30 (Copper products)
UNSPSC Code 31133702(Electrical contact powdered metal and metal alloy)
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ASTM B702-93(2015), Standard Specification for Copper-Tungsten Electrical Contact Material, ASTM International, West Conshohocken, PA, 2015, www.astm.orgBack to Top