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ASTM_A_586_-_04a_2014.pdf

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1、Designation:A58604a(Reapproved 2014)Standard Specification forZinc-Coated Parallel and Helical Steel Wire StructuralStrand1This standard is issued under the fixed designation A586;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the y

2、ear 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 U.S.Department of Defense.These test methods have been approved for

3、use by agencies of the Department of Defense to replace Method 1013 of Federal TestMethod Standard 406.1.Scope1.1 This specification covers zinc-coated steel wire struc-tural strand,for use where a high-strength,high-modulus,multiple-wire tension member is desired as a component partof a structure.T

4、he strand is available with parallel or helicalwire construction.1.1.1 The strand is available with several zinc coatingclasses and with two strength grades,as described in Section 4.1.2 The strand is furnished with Class A weight zinc-coatedwires throughout.It can be furnished with Class B weight o

5、rClass C weight zinc-coated outer wires where additionalcorrosion protection is required.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 standa

6、rd.2.Referenced Documents2.1 ASTM Standards:2A90/A90M Test Method for Weight Mass of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA902 Terminology Relating to Metallic Coated Steel Prod-uctsB6 Specification for Zinc3.Terminology3.1 See Terminology A902 for definition of terms re

7、lated tometallic-coated steel wire and strand.3.2 Definitions of Terms Specific to This Standard:3.2.1 outer wires(of strand),nthose wires in the oneouter-most layer of the wires composing the strand.4.Classification4.1 The wire strand is classified as follows.4.1.1 Breaking Strength is expressed as

8、 Grade 1 or Grade 2for strand having a Class A zinc coating on the outer wires ofthe strand.Strand with heavier coating on the outer wires isavailable in only one grade.4.1.2 Coating Weight is expressed as Class A,Class B,orClass C,based on the weight of coating on the outer wires inthe strand.All i

9、nner wires have a Class A coating.5.Ordering Information5.1 Orders for material under this specification shall includethe following information:5.1.1 Description of the product,as helical steel wire strandor parallel steel wire strand,5.1.2 Length of strand,5.1.3 Nominal diameter of strand(Table 1 a

10、nd Table 2),5.1.4 Coating class for outer wires(Table 3),5.1.5 Grade,for strand with Class A coating on outer wires,5.1.6 Forhelicalstrand,whetherprestretchedornonprestretched,5.1.7 Mechanical tests if required(see 9.5 and 11.1),5.1.8 Special packaging requirements(14.1),5.1.9 Inspection(12.1 and 13

11、.1),and5.1.10 ASTM Designation and year of issue,as ASTMA586.NOTE1A typical ordering description is as follows:2500 ft,1 in.,galvanized helical strand,Class A coating,Grade 1,on wooden reels,toASTM Specification A586.6.Material6.1 Base MetalThe base metal shall be carbon steel madeby the open-hearth

12、,basic-oxygen,or electric-furnace processand of such quality that the finished strand and the hard-drawnindividual zinc-coated wires coated by the hot-dip or electro-lytic process shall have the properties and characteristics asprescribed in this specification.1This specification is under the jurisd

13、iction of ASTM Committee A05 onMetallic-Coated Iron and Steel Productsand is the direct responsibility of Subcom-mittee A05.12 on Wire Specifications.Current edition approved Aug.1,2014.Published August 2014.Originallyapproved in 1968.Last previous edition approved in 2009 as A586 04a(2009)1.DOI:10.

14、1520/A0586-04AR14.2For 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 Dri

15、ve,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.2 ZincThe slab zinc when used shall conform to Speci-fication B6.7.Physical Requirements for Wire7.1 Tensile Properties:7.1.1 The zinc-coated wire used in the parallel wire strandshall,prior to fabrication,conform to the mechanical prop

16、ertiesin Table 4.In this case the prestretching provision of the testsample of 7.1.2 is not permitted.7.1.2 The zinc-coated wire used in the helical wire strandshall conform to the mechanical properties in Table 4 prior tofabrication.The wire test sample shall be prestretched,at themanufacturers option to 55%of the minimum tensile strengthspecified in Table 4 prior to conducting the tests.7.1.3 The tensile strength and the stress at 0.7%extensionshall be based on the actual cross-sectional area

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