1、Designation:F258911Standard Specification forOrnamental Fences Employing Steel Tubular Pickets1This standard is issued under the fixed designation F2589;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numb
2、er 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 establishes the minimum require-ments for coated tubular picket ornamental fence systemsfabricated from black(that is,not ga
3、lvanized)steel compo-nents.1.2 The requirements of this specification do not apply tovertical bar fence systems utilizing solid bar or wrought ironmaterials.1.3 The values stated with inch-pound units are to beregarded as standard.The SI values in parentheses are providedfor information.2.Referenced
4、 Documents2.1 ASTM Standards:2A500 Specification for Cold-Formed Welded and SeamlessCarbon Steel Structural Tubing in Rounds and ShapesA501 Specification for Hot-Formed Welded and SeamlessCarbon Steel Structural TubingB117 Practice for Operating Salt Spray(Fog)ApparatusD714 Test Method for Evaluatin
5、g Degree of Blistering ofPaintsD523 Test Method for Specular GlossD822 Practice for Filtered Open-Flame Carbon-Arc Expo-sures of Paint and Related CoatingsD1654 Test Method for Evaluation of Painted or CoatedSpecimens Subjected to Corrosive EnvironmentsD2244 Practice for Calculation of Color Toleran
6、ces andColor Differences from Instrumentally Measured ColorCoordinatesD2794 Test Method for Resistance of Organic Coatings tothe Effects of Rapid Deformation(Impact)D3359 Test Methods for Measuring Adhesion by Tape TestE4 Practices for Force Verification of Testing MachinesF2814 Guide for Design and
7、 Construction of OrnamentalSteel Picket Fence Systems for Security Purposes3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 adhesionthe bonding integrity of an organic coatingto the base metal substrate.3.1.2 corrosion resistancethe ability of an organicallycoated metal product
8、to resist attack due to the base metalattempting to return to a more passive oxidized state.3.1.3 fence panelfabricated unit consisting of rails andpickets.Also referred to as a fence section.3.1.4 impact resistancethe measure of an organicallycoated metal product to resist indention;the ability of
9、a coatingto resist cracking or loss of adhesion due to reforming the metalduring bending or a shape change from abuse.3.1.5 ornamental accessoryany fitting that adds furtherdecoration to an ornamental metal fence system includingitems such as finials,caps,picket collars,rings,scrolls,or otherornamen
10、tal panel inserts.3.1.6 postvertical fence structural component that sup-ports the panel in the ornamental metal fence system.3.1.7 railhorizontal structural component of a fencepanel.3.1.8 tubular pickethollow vertical ornamental compo-nent of a fence panel.3.1.9 tubular picket ornamental metal fen
11、ce systemanarchitectural metal fence system that combines ornamentalfence structural components(that is,tubular pickets,rails,andposts)with ornamental accessories and fasteners,assembledand evaluated as a complete installed structure.3.1.10 weathering resistancethe ability of an organicallycoated me
12、tal product to resist loss of coating gloss or colorchange due to excessive humidity or ultra-violet(UV)sunlightexposure.4.Significance and Use4.1 The purpose of this specification is to define minimumselection criteria and test procedures to ensure product usersthat a tubular picket ornamental meta
13、l fence system has thestrength necessary to withstand reasonable loads and penetra-tion forces,and has the appropriate combination of material1This specification is under the jurisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.35 on Architectural MetalFen
14、ce Systems.Current edition approved Dec.1,2011.Published January 2012.Originallyapproved in 2006.Last previous edition approved in 2006 as F2589-06.DOI:10.1520/F2589-11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Bo
15、ok 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 States1 and surface protection to withstand the harmful effects ofcorrosion and weathering for
16、an extended period of time.4.2 For security applications,more definitive requirementsare listed in Guide F2814.5.Materials and Manufacture5.1 Steel material for tubular picket ornamental fence sys-tem structural components(that is,tubular pickets,rails andposts)shall conform to the requirements of SpecificationsA500 or A501 and shall have a minimum yield strength of45 000 psi(310 MPa).5.2 Organic Coating Materials5.2.1 Powder coatings applied to the exterior surface offence components shall be p
