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ASTM B779-96
Standard Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Steel-Reinforced (ACSR/TW)
STANDARD published on 1.1.1996
The information about the standard:
Designation standards: ASTM B779-96
Note: WITHDRAWN
Publication date standards: 1.1.1996
SKU: NS-8090
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM B779-96 :
Keywords:
ACSR, Aluminum electrical conductors, Concentric-lay-stranded aluminum electrical conductors, Lay factor (electrical conductor wire), Rated strength (electrical conductor wire), Steel wire strand, shaped wire compact concentric-lay-stranded steel-reinforced (ACSR/TW), aluminum conductors, spec.,,Order Form, ICS Number Code 29.240.20 (Power transmission and distribution lines)
Additional information
| 1. Scope | ||||||||||||||||||||||||||||||
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1.1 This specification covers shaped wire compact concentric-lay-stranded aluminum conductor, steel-reinforced (ACSR/TW) and its component wires for use as overhead electrical conductors (Explanatory Notes 1 and 2). 1.2 The values stated in inch-pound units are to be regarded as the standard with the exception of temperature, density, and resistivity. The SI equivalents of inch-pound units may be approximate. Note 1-ACSR/TW is designed to increase the aluminum area for a given diameter of conductor by the use of trapezoidally shaped wires (TW). The conductors consist of a central core of round steel wire(s) surrounded by two or more layers of trapezoidal aluminum 1350-H19 wires. Different strandings of the same size of conductor are identified by type, which is the approximate ratio of steel area to aluminum area expressed in percent (Tables 1, 2 and 3). For the purpose of this specification, the sizes listed in Tables 1 and 2 are tabulated on the basis of the finished conductor having an area or outside diameter equal to that of specific sizes of standard ACSR so as to facilitate conductor selection. Note 2-The aluminum and temper designations conform to ANSI Standard H35.1. Aluminum 1350 corresponds to Unified Numbering System (UNS) A91350 in accordance with Practice E527. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||
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