ASTM_A_702_-_13.pdf

Designation:A70213Standard Specification forSteel Fence Posts,Hot Wrought1This standard is issued under the fixed designation A702;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.This standard has been approved for use by agencies of the Department of Defense.1.Scope1.1 This specification covers steel fence posts manufacturedfrom hot-wrought sections and intended for use in field and linefencing.1.2 The posts are available as studded tee and are furnishedpainted or galvanized,unless otherwise specified.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2A29/A29M Specification for Steel Bars,Carbon and Alloy,Hot-Wrought,General Requirements forA123/A123M Specification for Zinc(Hot-Dip Galvanized)Coatings on Iron and Steel ProductsA499 Specification for Steel Bars and Shapes,CarbonRolled from“T”RailsA641/A641M Specification for ZincCoated(Galvanized)Carbon Steel WireA700 Practices for Packaging,Marking,and Loading Meth-ods for Steel Products for Shipment2.2 Federal Standards:3FED-STD-123 Marking for Shipments(Civil Agencies)2.3 Military Standards:3MIL-STD-129 Marking for Shipment and StorageMIL-STD-163 Steel Mill Products,Preparation for Ship-ment and Storage3.Terminology3.1 Definitions:3.1.1 line postsposts that support the straight-line body ofthe fence.4.Ordering Information4.1 Orders for products under this standard should includethe following information:4.1.1 Quantity(number of pieces)of line posts(it iscustomary to order line posts in multiples of five of therequired length),4.1.2 Length or lengths required(see 6.2),4.1.3 Finish:galvanized or painted,4.1.4 ASTM designation and date of issue,4.1.5 Anchor plates,if required(see 6.2.4).4.1.6 Wire fasteners(state weight of zinc coating if otherthan Class 1)(see 5.5.2).NOTE1A typical ordering description is as follows:500 line posts;8ft long;painted;ASTM A702 dated _;omit anchor plates.5.Materials and Manufacture5.1 Material:5.1.1 Line posts shall be fabricated from SteelAas specifiedin Table 1.5.1.2 The finished line post shall conform to the tensileproperties specified in Table 1.5.1.3 At the manufacturers option,a Brinell or Rockwell Bhardness test may be substituted for the tensile requirements inTable 1.In such cases the material shall conform to the Brinellor Rockwell B hardness specified in Table 2.5.2 Line Post Section:5.2.1 The posts shall be furnished as a studded tee section.The cross section of T posts shall be approximately 138in.(35mm)wide,138in.deep,and18in.(3.2 mm)thick.Unlessotherwise specified by the purchaser,the line post type is at themanufacturers option.5.2.2 Dimensions may vary slightly in individual design inmaintaining the control weight per foot.5.3 Wire AttachmentsLine posts shall have corrugations,knobs,notches,holes,or studs so placed and formed as toengage a substantial number of fence line wires in properpositions.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.15 on Bars.This standard is a revision of Commercial Standard CS 184-51,Steel Fence PostsField Line Type,formerly published by the United StatesDepartment of Commerce.Current edition approved Oct.1,2013.Published November 2013.Originallyapproved in 1974.Last previous edition approved in 2006 as A702 89(2006).DOI:10.1520/A0702-13.2For 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.3Available from DLA Document Services,Building 4/D,700 Robbins Avenue,Philadelphia,PA 19111-5094,http:/quicksearch.dla.mil/.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.4 Anchor Plates:5.4.1 Each line post shall be manufactured with an anchorplate,unless otherwise specified.The anchor plate shall bemade from carbon steel and shall be swaged or riveted to thepost in such a manner as to prevent displacement when theposts are driven.5.4.2 When specified,line posts may be furnished withoutanchor plates.5.5 Wire Fasteners:5.5.1 Unless otherwise specified by the purchaser,each linepost shall be provided with not less than five suitable fastenersfor attaching fence wire to the posts.5.5.2 The fasteners shall be formed from zinc-coated C1010grade steel wire 0.120 in.(3.05 mm)diameter(minimumtensile strength of 65(448)and zinc coated in accordance withSpecification A641/A641M.Class 1 coating unless other