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ASTM B9-76(2024)

Historical Reaffirmation

Standard Specification for Bronze Trolley Wire

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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.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


This specification covers round, grooved, and figure-9 deep-section grooved bronze trolley wire. The bronze trolley wire shall be made in any of the three distinct alloys indicated in accordance with their increasing conductivities: Alloy 40, Alloy 55 and Alloy 80. Tensile tests and tension tests shall be performed wherein the wires shall conform to the required values of tensile strength and elongation. Twist tests shall be performed wherein round wires shall conform to the required number of twists. The specimens shall also connform to the required values of electrical resistivity.


SDO ASTM: ASTM International
Document Number B9
Publication Date Oct. 1, 2024
Language en - English
Page Count 6
Revision Level 76(2024)
Supercedes
Committee B01.04
Publish Date Document Id Type View
April 1, 2017 B0009-76R17E01 Revision
March 10, 1998 B0009-90R98E01 Revision
Aug. 3, 1990 B0009-90R98E02 Revision
Oct. 1, 2024 B0009-76R24 Reaffirmation
April 1, 2017 B0009-76R17 Reaffirmation
Oct. 15, 2012 B0009-90R12 Reaffirmation
April 1, 2008 B0009-90R08 Reaffirmation
Oct. 1, 2003 B0009-90R03 Reaffirmation