ASTM_A_824_-_01_2017.pdf

Designation:A82401(Reapproved 2017)Standard Specification forMetallic-Coated Steel Marcelled Tension Wire for Use WithChain Link Fence1This standard is issued under the fixed designation A824;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers 0.177 in.(4.50 mm)diametermetallic-coated carbon steel marcelled tension wire for usewith chain-link fence.The 0.177 in.(4.50 mm)diametermetallic-coated wire shall be produced in accordance withSpecification A817.Three types of coatings are covered:1.1.1 Type IAluminum-coated(aluminized),1.1.2 Type IIZinc-coated(galvanized),and1.1.3Type IIIZinc-5%Aluminum Mischmetal(Zn5Al-MM)alloy-coated.1.2 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses are forinformation only.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2A700 Guide for Packaging,Marking,and Loading Methodsfor Steel Products for ShipmentA817 Specification for Metallic-Coated Steel Wire forChain-Link Fence Fabric and Marcelled Tension WireA902 Terminology Relating to Metallic Coated Steel Prod-ucts3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this specification,referto Terminology A902.3.2 Definitions of Terms Specific to This Standard:3.2.1 marcellinga process whereby either a uniform helixor a series of waves is put in a wire to facilitate tensioning thewire when installed to support the top or bottom,or both,of thechain-link fabric(see 5.2.1).4.Ordering Information4.1 Orders for metallic-coated steel tension wire shouldinclude the following information:4.1.1 Quantity(expressed in number of coils),4.1.2 Name of product,4.1.3 Type of coating(see 5.3),4.1.4 Class of coating if applicable(see 5.3.2 and 5.3.3),4.1.5 Packaging requirements(see Section 14),4.1.6 Certification or test report,or both,if specified(seeSection 13),and4.1.7 ASTM designation and year of issue.NOTE1A typical ordering description is as follows:20 coils metallic-coated steel tension wire,Type II,Class 2,in 100-lb coils,to ASTMA824 _.5.Materials and Manufacture5.1 The steel rod from which the wire is drawn shall bemanufactured by the open-hearth,electric-furnace,or basic-oxygen process.5.2 The 0.177 in.(4.50 mm)diameter wire shall be cold-drawn,metallic-coated at finished size to produce the specifiedmechanical properties per Specification A817,then marcelledas specified in 5.2.1.5.2.1 Marcelling shall produce a helix or series of waves inthe wire with the offset distance from the wire axis to the wavepeaks or the helix not less than 0.125 in.(3.18 mm)(measuredto the center of the wire).The pitch(distance betweensuccessive points on the waves or helix)shall be not more than12 in.(305 mm).Prior to making measurements of themarcelling,curvature from coiling shall be removed by theapplication of a 500-lbf(2225-N)tensile load.Maintain theload while measuring the offset distance and pitch.Measure-ments shall be made on a section of wire with a length at leasttwo times the pitch length.1This specification is under the jurisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.40 on Chain Link Fence andWire Accessories.Current edition approved June 1,2017.Published June 2017.Originallyapproved in 1984.Last previous edition approved in 2012 as A824-01(2012).DOI:10.1520/A0824-01R17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 5.2.1.1 Measurement of offset distance may be performedby placing a straightedge against two adjacent peaks orcorresponding points on a helix,measuring the distance to theinside of the wire 180 opposite,and dividing the value by two.5.3 The 0.177 in.(4.50 mm)diameter wire shall be fur-nished with one of three types of coating,per SpecificationA817 as specified:5.3.1 Type IAluminum-Coated(Aluminized),with coatingweight specified.5.3.2 Type