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ASTM B856-13

(Specification)

Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)

Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)

ABSTRACT
This specification covers round wire concentric-lay-stranded aluminium conductors, steel supported (ACSS) for use as ovehead electrical conductors. Tests for mechanical and electrical properties of aluminum wires shall be made after stranding. The electrical resistivity shall meet the minimum resistivity specified for the wire after stranding.
SCOPE
1.1 This specification covers round wire concentric-lay-stranded aluminum conductors, steel supported (ACSS) for use as overhead electrical conductors (see Explanatory Note 1).  
1.2 The values stated in inch-pound or SI units are to be regarded separately as standard. Each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. For conductor sizes designated by AWG or kcmil sizes, the requirements in SI units are numerically converted from the corresponding requirements in inch-pound units. For conductor sizes designation by AWG or kcmil, the requirements in SI units have been numerically converted from corresponding values stated or derived in inch-pound units. For conductor sizes designated by SI units only, the requirements are stated or derived in SI units.  
1.2.1 For density, resistivity and temperature, the values stated in SI units are to be regarded as standard.

General Information

Status
Historical
Publication Date
31-Mar-2013
ICS
29.060.10 - Wires
Technical Committee
B01 - Electrical Conductors
Drafting Committee
B01.07 - Conductors of Light Metals
Current Stage
Ref Project

Relations

Replaces
ASTM B856-12 - Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)
Effective Date
01-Apr-2013
Referred By
ASTM B1006-17 - Standard Specification for Electrical Overhead Conductor Code Word Names
Effective Date
01-Apr-2013
Referred By
ASTM B857-22 - Standard Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Supported (ACSS/TW)
Effective Date
01-Apr-2013

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ASTM B856-13 - Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)ASTM B856-13 - Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)
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REDLINE ASTM B856-13 - Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)REDLINE ASTM B856-13 - Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:B856 −13
Standard Specification for
Concentric-Lay-Stranded Aluminum Conductors, Coated
1
Steel Supported (ACSS)
This standard is issued under the fixed designation B856; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope num Clad Stranded Steel Core for Use in Overhead
Electrical Conductors
1.1 This specification covers round wire concentric-lay-
B502 Specification for Aluminum-Clad Steel Core Wire for
stranded aluminum conductors, steel supported (ACSS) for use
Use in Overhead Electrical Aluminum Conductors
as overhead electrical conductors (see Explanatory Note 1).
B549 Specification for Concentric-Lay-Stranded Aluminum
1.2 The values stated in inch-pound or SI units are to be
Conductors, Aluminum-Clad Steel Reinforced for Use in
regarded separately as standard. Each system shall be used
Overhead Electrical Conductors
independently of the other. Combining values from the two
B606 Specification for High-Strength Zinc-Coated (Galva-
systems may result in nonconformance with the specification.
nized) Steel Core Wire for Aluminum and Aluminum-
For conductor sizes designated by AWG or kcmil sizes, the
Alloy Conductors, Steel Reinforced
requirements in SI units are numerically converted from the
B609/B609M Specification for Aluminum 1350 Round
correspondingrequirementsininch-poundunits.Forconductor
Wire, Annealed and Intermediate Tempers, for Electrical
sizes designation by AWG or kcmil, the requirements in SI
Purposes
units have been numerically converted from corresponding
B802/B802M Specification for Zinc–5 % Aluminum-
values stated or derived in inch-pound units. For conductor
Mischmetal Alloy-Coated Steel Core Wire for Aluminum
sizesdesignatedbySIunitsonly,therequirementsarestatedor
Conductors, Steel Reinforced (ACSR)
derived in SI units.
B803 Specification for High-Strength Zinc–5 %Aluminum-
1.2.1 For density, resistivity and temperature, the values
Mischmetal Alloy-Coated Steel Core Wire for Use in
stated in SI units are to be regarded as standard.
Overhead Electrical Conductors
B857 Specification for Shaped Wire Compact Concentric-
2. Referenced Documents
Lay-Stranded Aluminum Conductors, Coated-Steel Sup-
2.1 The following documents of the issue in effect on date
ported (ACSS/TW)
ofmaterialpurchaseformpartofthisspecificationtotheextent
B957 Specification for Extra-High-Strength and Ultra-High-
referenced herein:
Strength Zinc-Coated (Galvanized) Steel Core Wire for
2
Overhead Electrical Conductors
2.2 ASTM Standards:
B958 Specification for Extra-High-Strength and Ultra-High-
B263 Test Method for Determination of Cross-Sectional
Strength Class A Zinc–5% Aluminum-Mischmetal Alloy-
Area of Stranded Conductors
Coated Steel Core Wire for Use in Overhead Electrical
B354 Terminology Relating to Uninsulated Metallic Electri-
Conductors
cal Conductors
E29 Practice for Using Significant Digits in Test Data to
B498/B498M Specification for Zinc-Coated (Galvanized)
Determine Conformance with Specifications
Steel Core Wire for Use in Overhead Electrical Conduc-
E527 Practice for Numbering Metals and Alloys in the
tors
Unified Numbering System (UNS)
B500/B500M Specification for Metallic Coated or Alumi-
2.3 Other Standards:
AluminumAssociationPublication50 CodewordsforOver-
1 3
This specification is under the jurisdiction of ASTM Committee B01 on
head Aluminum Electrical Conductors
Electrical Conductors and is the direct responsibility of Subcommittee B01.07 on
NBS Handbook 100—Copper Wire Tables of the National
Conductors of Light Metals.
4
Bureau of Standards
Current edition approved April 1, 2013. Published May 2013. Originally
approved in 1995. Last previous edition approved in 2012 as B856 – 12. DOI:
10.1520/B0856-13.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Arlington, VA 22209, http://www.aluminum.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from National Technical Information Service (NTIS), 5301 Shawnee
the ASTM website. Rd., Alexandria, VA 22312, http://www.ntis.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B856−13
3. Terminology 4.1.7 Package size and type (see 16.1),
4.1.8 Special package markings, if required (see 16.4),
3.1 For definitions of terms relating to conductors refer to
4.1.9 Heavy wood lagging, if required (see 16.3), and
d
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B856 − 12 B856 − 13
Standard Specification for
Concentric-Lay-Stranded Aluminum Conductors, Coated
1
Steel Supported (ACSS)
This standard is issued under the fixed designation B856; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers round wire concentric-lay-stranded aluminum conductors, steel supported (ACSS) for use as
overhead electrical conductors (see Explanatory Note 1).
1.2 The values stated in inch-pound or SI units are to be regarded separately as standard. Each system shall be used
independently of the other. Combining values from the two systems may result in nonconformance with the specification. For
conductor sizes designated by AWG or kcmil sizes, the requirements in SI units are numerically converted from the corresponding
requirements in inch-pound units. For conductor sizes designation by AWG or kcmil, the requirements in SI units have been
numerically converted from corresponding values stated or derived in inch-pound units. For conductor sizes designated by SI units
only, the requirements are stated or derived in SI units.
1.2.1 For density, resistivity and temperature, the values stated in SI units are to be regarded as standard.
2. Referenced Documents
2.1 The following documents of the issue in effect on date of material purchase form part of this specification to the extent
referenced herein:
2
2.2 ASTM Standards:
B263 Test Method for Determination of Cross-Sectional Area of Stranded Conductors
B354 Terminology Relating to Uninsulated Metallic Electrical Conductors
B498/B498M Specification for Zinc-Coated (Galvanized) Steel Core Wire for Use in Overhead Electrical Conductors
B500/B500M Specification for Metallic Coated or Aluminum Clad Stranded Steel Core for Use in Overhead Electrical
Conductors
B502 Specification for Aluminum-Clad Steel Core Wire for Use in Overhead Electrical Aluminum Conductors
B549 Specification for Concentric-Lay-Stranded Aluminum Conductors, Aluminum-Clad Steel Reinforced for Use in Overhead
Electrical Conductors
B606 Specification for High-Strength Zinc-Coated (Galvanized) Steel Core Wire for Aluminum and Aluminum-Alloy
Conductors, Steel Reinforced
B609/B609M Specification for Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes
B802/B802M Specification for Zinc–5 % Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Aluminum Conductors,
Steel Reinforced (ACSR)
B803 Specification for High-Strength Zinc–5 % Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Use in Overhead
Electrical Conductors
B857 Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Supported
(ACSS/TW)
B957 Specification for Extra-High-Strength and Ultra-High-Strength Zinc-Coated (Galvanized) Steel Core Wire for Overhead
Electrical Conductors
B958 Specification for Extra-High-Strength and Ultra-High-Strength Class A Zinc–5% Aluminum-Mischmetal Alloy-Coated
Steel Core Wire for Use in Overhead Electrical Conductors
1
This specification is under the jurisdiction of ASTM Committee B01 on Electrical Conductors and is the direct responsibility of Subcommittee B01.07 on Conductors
of Light Metals.
Current edition approved June 1, 2012April 1, 2013. Published October 2012May 2013. Originally approved in 1995. Last previous edition approved in 20112012 as
B856-11. DOI: 10.1520/B0856-12. – 12. DOI: 10.1520/B0856-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B856 − 13
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
2.3 Other Standards:
3
Aluminum Association Publication 50 Code words for Overhead Aluminum Electrical Conductors
4
NBS Handbook 100—Copper Wire Tables of the National Bureau of Standards
3. Terminology
3.1 For definitions of terms relating to conductors refer to definitions found in Specification B35
...

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1.1 This specification covers shaped wire compact concentric-lay-stranded aluminum conductors, steel supported (ACSS/TW) for use as overhead electrical conductors (see Explanatory Note 1).  
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.  
1.2.1 Exceptions—For conductor sizes designated by AWG or kcmil sizes, the requirements in SI units are numerically converted from the corresponding requirements in inch-pound units. For conductor sizes designated by SI units only, the requirements are stated or derived in SI units. For density, resistivity, and temperature, the values stated in SI units are to be regarded as standard.  
1.3 ACSS/TW is designed to increase the aluminum area for a given diameter of conductor by the use of trapezoidal shaped wires (TW), or to reduce the diameter for a given area of aluminum. The conductors consist of a central core of round steel wire(s) surrounded by two or more layers of trapezoidal aluminum 1350-0 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 (see 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 specified sizes of standard ACSR, ACSS, and ACSR/TW so as to facilitate conductor selection.  
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.

  • Technical specification
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  • Technical specification
    7 pages
    English language
    sale 15% off