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Standard Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Steel-Reinforced (ACSR/TW)
Translate name
STANDARD published on 1.3.2018
Designation standards: ASTM B779-18
Note: WITHDRAWN
Publication date standards: 1.3.2018
SKU: NS-810381
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
ICS Number Code 29.240.20 (Power transmission and distribution lines)
1. Scope | ||||||||||||||||||||||||||||||
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 Note 1 and Note 2). 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. 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 (Table 1, Table 2 and Table 3). For the purpose of this
specification, the sizes listed in Table 1 and Table 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 H 35.1. Aluminum 1350 corresponds to Unified Numbering
System (UNS) A91350 in accordance with Practice E527.
1.3 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.
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2. Referenced Documents | ||||||||||||||||||||||||||||||
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