M00000422
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ASTM B9-90(2003) Standard Specification for Bronze Trolley Wire
standard by ASTM International, 10/01/2003
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Availability date: 07/24/2021
1.1 This specification covers round, grooved, and figure-9 deep-section grooved bronze trolley wire.
1.2 The bronze trolley wire may be made in any of the three distinct alloys indicated in accordance with their increasing conductivities: Alloy 40, Alloy 55, Alloy 80.
1.3 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units given in this standard may be approximate.