1、Designation: F 2453/F 2453M 05Standard Specification forWelded Wire Mesh Fence Fabric (Metallic-Coated or PolymerCoated) for Meshes of 6 in.23871 mm2 or Less, in Panelsor Rolls, with Uniform Meshes1This standard is issued under the fixed designation F 2453/F 2453M; the number immediately following t
2、he designation indicates theyear of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification cov
3、ers welded wire mesh fence fabricproduced from steel wire or metallic-coated steel wire. Themetallic-coated fabric may be polymer coated after fabrication.1.2 Welded wire mesh fence fabric is produced in fourtypes, based on the kind of coating, as described in Section 4.1.3 This specification is app
4、licable to orders in eitherinch-pound units or SI units. Values stated in either inch-poundor SI units are to be regarded separately as the standard. Withinthe text, the SI units are shown in brackets. The values in thetwo systems are not exact equivalents; therefore, each systemshall be used indepe
5、ndent of the other, without combiningvalues in any way.1.4 This specification references notes and footnotes, whichprovide explanatory material. These notes and footnotes (ex-cluding those in tables and figures) shall not be considered asrequirements of this specification.1.5 The following safety ha
6、zards caveat pertains only to thetest methods portion, Section 13, of this specification: Thisstandard does not purport to address all of the safety concerns,if any associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and d
7、etermine the applicability of regulatory limita-tions proper to use.2. Referenced Documents2.1 ASTM Standards:2A82 Specification for Steel Wire, Plain, for Concrete Re-inforcementA 90/A 90M Test Method for Weight (Mass) of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA 123/A 123
8、M Specification for Zinc (Hot-Dip Galva-nized) Coatings on Iron and Steel ProductsA 185 Specification for Steel Welded Wire Reinforcement,Plain, for Concrete.A 641/A 641M Specification for Zinc-Coated (Galvanized)Carbon Steel WireA 853 Specification for Steel Wire, Carbon, for General UseA 856/A 856
9、M Specification for Zinc5 % Aluminum-Mischmetal Alloy-Coated Steel WireA 902 Terminology Relating to Metallic-Coated Steel Prod-uctsB117 Practice for Operating Salt Spray (Fog) ApparatusD 1499 Practice for Filtered Open-Flame Carbon-Arc TypeExposures of PlasticsF 934 Specification for Standard Color
10、s for Polymer-Coated Chain Link Fence Materials2.2 ISO Standard:3ISO 2178 Non-Magnetic Coatings on MagneticSubstratesMeasurement of Coating ThicknessMagnetic Method3. Terminology3.1 DefinitionsRefer to Terminology A 902 for generalterminology relating to metallic-coated steel products.3.2 Definition
11、s of Terms Specific to This Standard:3.2.1 welded wire mesh fence fabricmaterial composed ofa series of longitudinal and transverse steel wires arrangedsubstantially at right angles to each other, and welded togetherat the points of intersection by electrical resistance welding toform fabricated she
12、ets or rolls. See Tables 1 and 2 for list ofstandard mesh sizes.4. Classification4.1 Welded wire mesh fence fabric is classified in accor-dance with coating as follows:4.1.1 Type 1, consists of welded wire fabric made from wirewhich is zinc-coated, as per Specification A 641/A 641MClass 3 minimum, b
13、efore being welded into fabric, known asgalvanized before welding.4.1.2 Type 2, consists of welded wire fabric which is madefrom uncoated wire and the fabric is subsequently zinc-coated1This specification is under the jurisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Su
14、bcommittee F14.35 on Architectural MetalFence Systems.Current edition approved June 1, 2005. Published July 2005.2For 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
15、 standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.after fabrication, in acco
16、rdance with Specification A 123/A 123M, Coating Grade 35, known as galvanized after weld-ing.4.1.3 Type 3, consists of welded wire fabric made from wirewhich is coated with zinc-5 % aluminum-mischmetal alloy(Zn-5A1-MM), in accordance with Specification A 856/A 856M, Class 80, before being welded int
17、o fabric, known aszinc 5 % aluminum mischmetal alloy-coated steel beforewelding.4.1.4 Type 4, consists of welded wire fabric made from wirewhich is zinc-coated, in accordance with Specification A 641/A 641M, Class 1 minimum, before being welded into fabric,known as galvanized before welding, and sub
18、sequently poly-mer coated.4.1.5 In agreement between buyer and supplier Type 1, 2 or3 can be used to produce polymer coated welded wire fabric.5. Ordering Information5.1 Orders for material purchased under this specificationshall include the following information:5.1.1 Quantity (number of units of r
19、olls or panels)5.1.2 Mesh description: wire spacing and size (gage)5.1.3 Panel (height by length) or Roll (height by length)5.1.4 Type of coating (Section 4), including the specific typeto be furnished.5.1.5 ASTM designation and year of issue.5.1.6 Any special requirements (see Section 8).5.1.7 Cert
20、ification, if required (see 15.1)NOTE 1A typical ordering description, when same mesh and gage, isas follows: 500 panels0.5 in. by 3 in. by 8.5 gage/120 in. by 99 in.Type 2, conforming to Specification F 2453 or 100 rolls of 2 in. by 2 in.8.5 gage/96 in. by 100 ft, Type 1, conforming to Specificatio
21、n F 2453. Thevertical mesh opening (height measured from top to bottom) is designatedfirst followed by the horizontal mesh opening (width measured from leftto right).6. Material and Manufacture6.1 The wire used in the manufacture of welded wire meshfence fabric shall conform to the specifications in
22、 6.1.1 asappropriate for the type ordered, except the tensile strengthshall conform to 7.1. The wire may be produced from anygrade of steel listed in Specification A82 or SpecificationA 853.6.1.1 Type 1 welded wire fabric shall be manufactured fromzinc-coated steel wire conforming to Specification A
23、 641/A 641M Class 3 coating (minimum). Type 2 welded wirefabric shall be manufactured from uncoated steel wire con-forming to Specification A82or Specification A 853, and thefabric subsequently zinc-coated by the hot-dip process, con-forming to Specification A 123/A 123M, Coating Grade 35(minimum).
24、Type 3 welded wire fabric shall be manufacturedfrom zinc-5 % a1uminum-mischmetal coated steel wire con-forming to Specification A 856/A 856M, Class 80 coating(minimum). Type 4 welded wire fabric shall be manufacturedTABLE 1 Panel SizesAMesh Size as Produced in PanelsPanels Vertical MeshSpacing (in.)
25、Horizontal MeshSpacing (in.)Wire Diameter Panel Width for PostSpacings 6, 7, 8, and 10 ft(in.)Panel Length (Height) (ft)Gage in. mm0.5 2.0 11 0.120 3.06 74, 86, 98, 122 6 - 210.5 3.0 8.5 0.155 3.93 75, 87, 99, 123 6 - 210.5 3.0 11 0.120 3.06 75, 87, 99, 123 6 - 212.0 2.0 11 0.120 3.06 74, 86, 98, 12
26、2 6 - 212.0 2.0 8.5 0.155 3.93 74, 86, 98, 122 6 - 212.0 2.0 6.5 0.185 4.70 74, 86, 98, 122 6 - 21APanels available up to 10 ft 6 in. in width (not all meshes) and 21 ft in length. The vertical mesh spacing is the distance measured from the top to the bottom. Thehorizontal mesh opening is the distan
27、ce measured from left to right.TABLE 2 Roll SizesAMesh Size as Produced in RollsVertical Mesh Spacing Horizontal Mesh Spacing Wire Diameter Roll Height (Width)in. mm in. mm Gage in. mm ft1.0 25 1.0 25 12.5 0.99 2.51 3 - 10.51.0 25 1.0 25 11 .120 3.06 3 - 10.51.5 38 1.5 38 12.5 .099 2.51 3 - 10.51.5
28、38 1.5 38 11 .120 3.06 3 - 10.52.0 50 2.0 50 11 .120 3.06 3 - 10.52.0 50 2.0 50 10 .135 3.43 3 - 10.52.0 50 2.0 50 8.5 .155 3.93 3 - 10.52.0 50 2.0 50 6.5 .185 4.70 3 - 10.52.4 60 2.4 60 10 .135 3.43 3 - 10.52.4 60 2.4 60 8.5 .155 3.93 3 - 10.52.0 50 0.5 13 11 .120 3.06 3 - 10.52.0 50 1.0 25 11 .120
29、 3.06 3 - 10.52.0 50 1.0 25 10 .135 3.43 3 - 10.53.0 75 1.0 25 12.5 .099 2.51 3 - 10.53.0 75 1.0 25 11 .120 3.06 3 - 10.5ARolls available up to 10 ft 6 in. in width (not all meshes) in foot increments up to 100 ft in length. The vertical mesh spacing is the distance measured fromthetoptothe bottom.
30、The horizontal mesh opening is the distance measured from left to right.F 2453/F 2453M 052from zinc-coated steel wire conforming to SpecificationA 641/A 641MClass 1 coating.6.2 Wire for welded wire mesh fence fabric shall beassembled by automatic machines or other suitable mechanicalmeans that will
31、ensure accurate spacing and alignment of allmembers of the finished fabric. Longitudinal and transversemembers of the welded wire fabric shall be connected at everyintersection in accordance with the requirements of 13.4 by theprocess of electric resistance welding, which employs theprinciple of fus
32、ion combined with pressure.6.3 The polymer coating used in the manufacture ofpolymer-coated welded wire mesh fence fabric shall conformto the properties in 8.2 and 8.3.6.3.1 The polymer-coated welded wire mesh fence fabricshall have the polymer coating fused and adhered onto themetallic-coated welde
33、d wire fabric after fabrication of mesh.7. Mechanical PropertiesTensile Strength7.1 Tensile StrengthThe tensile strength of the wire usedfor the welded wire mesh fence fabric shall be soft, medium orhard in accordance with the requirements of SpecificationsA 641/A 641M (Type 1 and 4), A 856/A 856M (
34、Type 3) andhard drawn in accordance with Specification A82or Specifi-cation A 853 (Type 2). The cross-sectional area of the testspecimen shall be based on the diameter of the metallic coatedwire. (See Table 3.)8. Physical Properties8.1 Metallic CoatingThe minimum metallic coatingweight shall conform
35、 to the requirements of SpecificationA 641/A 641M, Class 3 coating for Type 1 and Type 2 andSpecification A 856/A 856M Class 80 coating for Type 3.8.2 Polymer CoatedThe minimum coating weight of themetallic coated wire shall conform to the requirements ofSpecification A 641/A 641M Class 1 for Type 4
36、.8.3 Polymer Coating on WireThe initial properties of thepolymer coating on the wire and welded wire fabric shall havea demonstrated ability to conform to the following require-ments:8.3.1 Salt Spray Exposure and Ultraviolet Light Exposure:8.3.1.1 The polymer coating shall show no effect after1000 h
37、 of salt spray exposure in accordance with PracticeB117.8.3.1.2 The polymer coating shall show no effect of expo-sure to ultraviolet light with test exposure of 1000 h usingapparatus Type E and 63C, when tested in accordance withPractice D 1499.8.3.1.3 Evaluation of Coating after Salt Spray and Ultr
38、a-violet Exposure TestAfter 1000 h salt spray test and exposureto ultraviolet light as specified in 8.3.1.1 and 8.3.1.2, thepolymer coating shall not show cracks, blisters or splits. Thechange in color, measured in terms of DE, shall not be morethan ten.8.3.2 AdhesionThe polymer coating shall adhere
39、 to thewire such that the coating breaks rather than separates from thewire when tested in accordance with 13.3.8.3.3 Mandrel BendThe polymer-coated wire when sub-jected to a single 360 bend at 0F 18C around a mandrelten times the diameter of the wire, shall not exhibit breaks orcracks in the polyme
40、r coating.8.3.4 ColorUnless otherwise agreed upon between buyerand supplier, the color of the polymer-coated wire shallconform to Specification F 934.9. Dimensions and Tolerances9.1 The diameter of metallic-coated wire shall conform toTable 3.9.2 The minimum thickness of the polymer coating, not tob
41、e considered the finished gage, shall be as shown in Table 4.9.3 Welded wire mesh fence fabric shall have mesh open-ings as designated in Tables 1 and 2. Mesh opening shall beconsidered to be center-to-center distance between two con-secutive longitudinal or transverse wires as designated inFig. 1.
42、The permissible tolerance is 618 in. 3.2 mm onmeshes 2 in. and above and116 in. 1.6 mm on meshes under2 inches.9.4 In panel or roll length, the permissible tolerance shallnot exceed 614 in. 6.3 mm when measured overa6ftdirection. In all cases, the mesh count must be correct.9.5 The width and height
43、of the mesh openings for weldedwire mesh fence fabric as installed on fence posts, shall be asshown in Fig. 2.9.6 The flatness of panels shall conform to the following:when a panel is laid on a flat surface, such that any lift is in themiddle of the panel, the maximum lift shall not exceed 2 in.50.8
44、 mm.10. Workmanship10.1 Wire of proper grade and quality, when fabricated inthe manner herein required, shall result in a strong, serviceablemesh-type product having substantially square or rectangularopenings. It shall be fabricated and finished in a workmanlikemanner, as determined by visual inspe
45、ction, and shall conformto this specification.11. Sampling11.1 Sampling for determining the mechanical and physicalproperties of the welded wire fabric shall be obtained bycutting from the finished fabric a full-width section of sufficientlength to perform testing.TABLE 3 Breaking Strength of Core W
46、ireSpecified Diameter of Wire (Metallic Coated) Minimum Breaking StrengthGage in. mm lb N12.5 0.099 2.51 400 177511 0.120 3.06 590 262010 0.135 3.43 750 33358.5 0.155 3.93 990 44006.5 0.185 4.70 1410 6270TABLE 4 Thickness of Polymer CoatingMinimum Thickness at Any Pointin. mm.004 .10F 2453/F 2453M 0
47、5312. Number of Tests12.1 Perform a minimum of four tests for conformance totensile strength of metallic coated wire, weld shear strength,wire and fabric dimensions, metallic coating weight, polymercoating thickness, adhesion of polymer coating, and mandrelbend from each 200,000 ft218,587 m2 of fabr
48、ic or remainingfraction thereof.13. Test Methods13.1 Metallic Coating WeightPerform coating weighttests in accordance with Test Methods A 90/A 90M.13.2 Polymer Coating Thickness:13.2.1 Determine the thickness of the polymer coating on anindividual piece of wire removed from the fabric.13.2.2 Determi
49、ne the diameter of the metallic coated wireafter stripping the polymer coating by chemical means. Deter-mine the thickness of the polymer coating by scraping thecoating from one side of the wire and measuring the reduceddiameter with a micrometer. The thickness of the coating at thispoint is the difference between the measurement thus obtainedand the measured diameter of the metallic coated wire.Determine the thickness of the coating at right angles to theFIG. 1 Center to CenterFIG. 2 How to Describe Mesh SpacingF 2453/F 2453M 0
