1、Designation: F2919/F2919M 12Standard Specification forWelded Wire Mesh Fence Fabric (Metallic-Coated or PolymerCoated) with Variable Mesh Patterns or Meshes Greater than6 in.23871 mm2 in Panels1This standard is issued under the fixed designation F2919/F2919M; the number immediately following the des
2、ignation indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers wel
3、ded 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 applicable
4、 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 independent o
5、f 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 hazards c
6、aveat pertains only to thetest methods portion, 13.4, of this specification: This standarddoes not purport to address all of the safety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the
7、 applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:2A82/A82M Specification for Steel Wire, Plain, for ConcreteReinforcementA90/A90M Test Method for Weight Mass of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA123/A123M Specification fo
8、r Zinc (Hot-Dip Galvanized)Coatings on Iron and Steel ProductsA185/A185M Specification for Steel Welded Wire Rein-forcement, Plain, for ConcreteA641/A641M Specification for ZincCoated (Galvanized)Carbon Steel WireA853 Specification for Steel Wire, Carbon, for General UseA856/A856M Specification for
9、Zinc-5 % Aluminum-Mischmetal Alloy-Coated Carbon Steel WireA902 Terminology Relating to Metallic Coated Steel Prod-uctsA1064/A1064M Specification for Steel Wire and WeldedWire Reinforcement, Plain and Deformed, for ConcreteB117 Practice for Operating Salt Spray (Fog) ApparatusD1499 Practice for Filt
10、ered Open-Flame Carbon-Arc Expo-sures of PlasticsF934 Specification for Colors for Polymer-Coated ChainLink Fence Materials2.2 ISO Standard:ISO 2178 Non-Magnetic Coatings on MagneticSubstratesMeasurement of Coating ThicknessMagnetic33. Terminology3.1 DefinitionsRefer to Terminology A902 for generalt
11、erminology relating to metallic-coated steel products.3.2 Definitions 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
12、 intersection by electrical resistance welding toform fabricated panels.NOTE 1See Tables 1-3 for a list of typical standard mesh sizes. Thislist does not cover all options that may be available.3.2.2 wirereferred to as plain wire and welded plain wireused in the fabrication of the fence panels.4. Cl
13、assification4.1 Welded wire mesh fence fabric is classified according tocoating as follows:1This specification is under the jurisdiction ofASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.35 on Architectural MetalFence Systems.Current edition approved March 1, 2012. P
14、ublished March 2012. DOI:10.1520/F2919-12.2For 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 Ame
15、rican National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.1 Type 1, consists of welded wire fabric made from wirewhich is zinc-coat
16、ed, in accordance with A641/A641M, Class3 minimum, before 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-coatedafter fabrication, in accordance with Specification A123/A123M,
17、 Coating Grade 35, known as galvanized after welding.4.1.3 Type 3, consists of welded wire fabric made from wirewhich is coated with zinc-5 % aluminum mischmetal alloy(Zn-5Al-MM), in accordance with SpecificationA856/A856M,before being welded into fabric, known as zinc 5 % aluminummischmetal alloy-c
18、oated steel before welding.4.1.4 Type 4, consists of welded wire fabric made from wirewhich is zinc-coated, in accordance with Specification A641/A641M, 0.3 oz/ft2minimum, before being welded into fabric,known as galvanized before welding, and subsequently poly-mer coated.4.1.5 In agreement between
19、buyer and supplier Types 1, 2,3, or 4 can be subsequently polymer coated to produce polymercoated welded wire fabric.4.2 Welded wire mesh fence fabric is classified in accor-dance with the method of fabrication, as follows:4.2.1 Model A: Panels fabricated with single wires inhorizontal and vertical
20、direction. With horizontal reinforcingfolds (beams). (See Table 1 and Fig. 1).TABLE 1 Panel Sizes Model ASingle wire in each direction with horizontal reinforcing folds (or beams). (See Fig. 1, Model A)NOTEThese are examplesOther meshes and wire diameters are available. These are acceptable providin
21、g they meet all the requirements of thisASTM specification and are acceptable to the purchaser and client. Not all panels have horizontal reinforcing folds (beams) as shown in Fig. 1, ModelA, if mounted within a frame.VerticalWireSpacing(nominal)HorizontalWireSpacing(nominal)AWire Diameter(Metallic-
22、coated core: nominal)Panel HeightVertical Horizontalin. mm in. mm Gage in. mm Gage in. mm in. (approx.) mm (approx.)2 50 6 150 6.0 0.192 4.88 6.0 0.192 4.88 48607296 12001500180024002 50 4 100 7.0 0.177 4.50 7.0 0.177 4.50 4248607284 105012001500180021002 50 8 200 5.75 0.196 4.98 5.75 0.196 4.98 424
23、860728496 1050120015001800210024002 50 8 200 6.25 0.188 4.80 6.25 0.189 4.80 39607896 1000150020002400AWhere panels have horizontal folds (beams) small spacing of horizontal wires may apply.TABLE 2 Panel Sizes Model BSingle vertical wire. Double horizontal wire. (See Fig. 1, Model B)NOTEThese are ex
24、amplesOther meshes and wire diameters are available. These are acceptable providing they meet all the requirements of thisASTM specification and are acceptable by the purchaser and client.VerticalWireSpacing(nominal)HorizontalWiresSpacing(nominal)Wire Diameter(Metallic-coated core: nominal)Panel Hei
25、ghtVerticalOne (1) WireHorizontalTwo (2) Wirein. mm in. mm Gage in. mm Gage in. mm in. (approx.) mm (approx.)2 50 8 200 4.0 0.225 5.72 4.0 0.225 5.72 487296 1200180024002 50 8 200 4.0 0.225 5.72 0.0 0.303 7.70 487296 1200180024002 50 8 200 5.75 0.196 4.98 3.5 0.236 6.00 424854667284 1000120014501650
26、180020002 50 8 200 3.5 0.236 6.00 00.75 0.315 8.00 424854667296 100012001450165018002400TABLE 3 Panel Sizes Model CSingle wire in each direction. Flat construction and variable wire spacing in panel height. (See Fig. 1,Model C)NOTEThese are examplesOther meshes and wire diameters are available. Thes
27、e are acceptable providing they meet all the requirements of thisASTM specification and are acceptable by the purchaser and client.VerticalWireClear MeshSpacing(nominal)HorizontalWireSpacing(nominal)Wire Diameter(Metallic-coated core: nominal)Panel HeightVertical Horizontalin. mm in. mm Gage in. mm
28、Gage in. mm in. (approx.) mm (approx.)1.75 45 Variable 9.0 0.148 3.77 9.0 0.148 3.77 486072 1200150018001.75 45 Variable 6.0 0.192 4.88 6.0 0.192 4.88 486072 1200150018003.50 45 Variable 4.0 0.255 5.72 6.0 0.192 4.88 486072 1200150018003.50 45 Variable 2.0 0.262 6.67 6.0 0.192 4.88 486072 1200150018
29、00F2919/F2919M 1224.2.2 Model B: Panels fabricated with two horizontal wireswith a vertical wire placed between them. (See Table 2 and Fig.1).4.2.3 Model C: Panels fabricated with single wires inhorizontal and vertical directionflat in structure. (See Table 3and Fig. 1).4.2.4 Models A and B: Panels
30、may be bent along the lengthto form a bent section at 45 degrees. (See Fig. 2).4.2.5 All panels have to be fabricated so that they do notexceed 4 in. on centers in one dimension (length, width, orheight) so they meet the maximum permitted dimensionbetween wires in one direction which is 4 in. on cen
31、ters.4.2.6 All panels have to fabricated from wire with aminimum diameter of 9.0 gage (0.148 in. 3.76 mm metalliccoated core.5. Ordering Information5.1 Orders for material purchased under this specificationshall include the following information:5.1.1 Quantity (number of panels).5.1.2 Mesh Descripti
32、on: Mesh spacing(s) and wire sizes(gages) in metallic core diameter for polymer coated panels.5.1.3 Panel size (height by width).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
33、 Certification, if required (see 15.1).NOTE 2A typical ordering description, with single wires in verticaland horizontal direction, would be as follows: 500 panels Model A: 6 in.NOTE 1Model A panels normally have horizontal reinforcing folds (or beams) to increase horizontal rigidity. Number of fold
34、s (beams) increase withthe height of the panel. Generally two folds for panels shorter than 5 ft 1525 mm, three folds if shorter than 6 ft 6 in. 1980 mm and four folds fortaller panels up to 8 ft 2430 mm.NOTE 2Model B panels have vertical wires sandwiched between two (2) horizontal wires.NOTE 3Model
35、 C panels have straight wire in both directions. Panels have variable wire spacing in panel height.FIG. 1 Examples of Model A, B, and C PanelsFIG. 2 Model A and Model B Panels May Be Available Bent OverF2919/F2919M 123by 2 in. mesh by 6 gage horizontal and vertical wires, then height by width(length
36、) conforming to F2919-XX. Where single wires with different gagein vertical and horizontal direction, then as follows: 500 panels Model A:6 in by 2 in. mesh by 4 gage horizontal and 6 gage vertical wires; thenheight by width (length) conforming to F2919-XX. Where panels withdouble horizontal wires a
37、re required it would be: 500 panels Model B: 8in. by 2 in. mesh, 2 by 0 gage horizontal wires with 4 gage vertical wireswelded between them conforming to F2919-XX. Where panels withvariable openings in height are required, it would be: 500 panels Model C:Variable mesh by 3.5 in. clear mesh, 4 gage h
38、orizontal, and 7 gage verticalwires conforming to F2919-XX. In each case the vertical mesh opening(height measured from top to bottom) is designated first, followed by thehorizontal mesh opening (width measured from left to right).6. Material and Manufacture6.1 The wire used in the manufacture of we
39、lded wire meshfence fabric shall conform to the specifications in 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 A1064/A1064M or A853.6.1.1 Type 1 welded wire fabric shall be manufactu
40、red fromzinc-coated steel wire conforming to Specification A641/A641M, Class 3 coating (minimum). Type 2 welded wirefabric shall be manufactured from uncoated steel wire con-forming to Specification A82/A82M or A853, and the fabricsubsequently zinc-coated by the hot-dip process, confirming toSpecifi
41、cation A123/A123M, Coating Grade 35 (minimum).Type 3 welded wire fabric shall be manufactured from zinc-5 % aluminum-mischmetal coated steel wire conforming toSpecification A856/A856M, Class 80 coating (minimum).Type 4 welded wire fabric shall be manufactured from zinc-coated steel wire conforming t
42、o Specification A641/A641M0.3 oz/ft2, minimum weight coat.6.2 Wire for welded wire mesh fence fabric shall beassembled by automatic machines or other suitable mechanicalmeans that will ensure accurate spacing and alignment of allmembers of the finished fabric. Longitudinal and transversemembers of t
43、he 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 fusion combined with pressure.6.3 Horizontal reinforcing folds (beams) may be incorpo-rated into Model A panels. Suffi
44、cient folds (beams) shall beincorporated in the panel to ensure straightness and lessflexibility, if panel is not used within frame. (See recommen-dation table in Fig. 1).6.4 Model C type panels should be fitted to steel frameworkto ensure rigidity in the panel length (width).6.5 The polymer coating
45、 used in the manufacture ofpolymer-coated welded wire mesh fence fabric shall conformto the properties in 8.2 and 8.3.6.5.1 The polymer coated welded wire mesh fence fabricshall have the polymer coating fused and adhered onto themetallic-coated welded wire fabric after fabrication of themesh.7. Mech
46、anical Properties7.1 Tensile StrengthThe tensile strength of the wire usedfor the welded wire mesh fence fabric shall be soft, medium orhard in accordance with the requirement of SpecificationsA641/A641M (Type 1 and 4),A856/A856M (Type 3) and harddrawn in accordance with Specification A82/A82M or A8
47、53(Type 2). The cross-sectional area of the test wire specimenshall be based on the diameter of the metallic coated wire. (SeeTable 4).8. Physical Properties8.1 Metallic CoatingThe minimum metallic coatingweight shall conform to the requirements of SpecificationA641/A641M, Class 3 coating for Type 1
48、, SpecificationA123/A123M coating grade 35 (minimum) for Type 2, Speci-fication A856/A856M Class 80 coating for Type 3, and 0.3oz/ft2minimum for Type 4.8.2 Polymer CoatedThe minimum coating weight of themetallic coated wire shall conform to the requirements ofSpecification A641/A641M, 0.3 oz/ft2mini
49、mum for Type 4.8.3 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 after 1000hours of salt spray exposure in accordance with Pra
