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ASTM B617-98(2016)

ASTM B617-98(2016)

Standard Specification for Coin Silver Electrical Contact Alloy

2016-12-27 /Active

This specification covers silver-copper alloy tubing, rod, wire, strip, and sheet material for electrical contacts. The material shall be finished by cold working, heat treating, annealing, turning, grinding, or pickling as are required to produce the prescribed properties. Material produced under this specification shall meet the requirements for chemical composition of silver, copper, zinc, iron, cadmium, lead, nickel, aluminum, and phosphorous. Mechanical properties such as tensile strength, elongation, and hardness shall conform to the prescribed requirements. Materials shall be inspected by visual inspection, temper test, dimensional test, and spectographic or chemical analysis


1.1 This specification covers 90 % silver-10 % copper alloy tubing, rod, wire, strip, and sheet material for electrical contacts.

1.2 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.

1.3 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 Safety Data 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.

arcing contacts; coin silver alloy; compositions; electrical contacts; impurities; precious metals; silver alloy; silver copper alloy;
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