ASTM F1345-2010a Standard Specification for Zinc-5 % Aluminum-Mischmetal Alloy-Coated Steel Chain-Link Fence Fabric《锌-5%铝-稀土金属混合物合金-镀层钢链式围栏织物标准规范》.pdf
《ASTM F1345-2010a Standard Specification for Zinc-5 % Aluminum-Mischmetal Alloy-Coated Steel Chain-Link Fence Fabric《锌-5%铝-稀土金属混合物合金-镀层钢链式围栏织物标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM F1345-2010a Standard Specification for Zinc-5 % Aluminum-Mischmetal Alloy-Coated Steel Chain-Link Fence Fabric《锌-5%铝-稀土金属混合物合金-镀层钢链式围栏织物标准规范》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F1345 10aStandard Specification forZinc-5 % Aluminum-Mischmetal Alloy-Coated Steel Chain-Link Fence Fabric1This standard is issued under the fixed designation F1345; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the
2、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.1. Scope1.1 This specification covers zinc-5 % aluminum-mischmetal (Zn-5A1-MM) alloy-coated steel chain-link fencefabric,
3、Zn-5A1-MM alloy-coated, before weaving.1.2 The values stated in inch-pound units are to be regardedas the standard.2. Referenced Documents2.1 ASTM Standards:2A90/A90M Test Method for Weight Mass of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA491 Specification for Aluminum-Coat
4、ed Steel Chain-LinkFence FabricA700 Practices for Packaging, Marking, and Loading Meth-ods for Steel Products for ShipmentA817 Specification for Metallic-Coated Steel Wire forChain-Link Fence Fabric and Marcelled Tension Wire2.2 Federal Standard:Fed. Std. No. 123 Marking for Shipment, Civil Agencies
5、32.3 Military Standards:MIL-STD-129 Marking for Shipment and Storage3MIL-STD-163 Steel Mill Products, Preparation for Ship-ment and Storage33. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 chain link fence fabrica fencing material made fromsteel wire helically wound and interwo
6、ven in such a manner asto provide a continuous mesh without knots or ties except inthe form of knuckling, or of twisting the ends of the wires toform the selvage of the fabric.3.1.2 diamond countthe number of diamond openingsfrom one edge of the fabric to the other. The diamond count ofa given fabri
7、c shall begin at the first completed diamond at oneedge and continue to the unfinished half or full opening at theother edge.3.1.3 knucklinga term used to describe the type of selvageobtained by interlocking adjacent pairs of wire ends and thenbending the wire ends back into a loop. The loop shall b
8、eclosed or nearly closed to a measurement less than the diameterof the wire.3.1.4 twistinga term used to describe the type of selvageobtained by twisting adjacent pairs of wire ends together in aclose helix of 112 machine turns, which is equivalent to threefull twists, and cutting the wire ends at a
9、n angle. The wire endsbeyond the twist shall be at least14 in. (6.4 mm) long. Thistype of selvage is not used on fabric with a mesh size of lessthan 2 in. (50.8 mm).4. Ordering Information4.1 Orders for chain-link fence fabric purchased to thisspecification shall include the following information:4.
10、1.1 Quantity (Section 13),4.1.2 Size of mesh (Section 7),4.1.3 Size of wire (Section 8),4.1.4 Height of fabric (Section 9),4.1.5 Diamond count, if specified (Section 6),4.1.6 Type of selvage (Section 10),4.1.7 Certification if required (Section 16),4.1.8 Class of Coating (Section 11), and4.1.9 ASTM
11、designation and year of issue.4.2 All rolls of fencing accepted by the purchaser shall bebilled on the basis of the original footage of the rolls beforesampling, unless changed by contractual arrangement.NOTE 1A typical ordering description is as follows: 25 rolls, 50 fteach, chain-link fence fabric
12、, Zn-5A1-MM alloy-coated, 2 in. mesh, 0.148in. wire, 60 in. high, knuckled both selvages, class 2 coating toSpecification F1345.1This specification is under the jurisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.40 on Chain Link Fence andWire Accessories
13、.Current edition approved Aug. 1, 2010. Published September 2010. Originallyapproved in 1991. Last previous edition approved in 2010 as F1345 - 10. DOI:10.1520/F1345-10A.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annu
14、al Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.1Copyright ASTM International, 100 Ba
15、rr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5. Materials5.1 The wire from which the fabric is woven shall conformto all requirements of Specification A817 for Type III coating,in the class of coating specified (Class 1 or Class 2).6. Weave6.1 The wire shall be woven
16、 throughout in the form ofapproximately uniform square mesh, having parallel sides andhorizontal and vertical diagonals of approximately uniformdimensions. The top and bottom of the fabric shall be knuckledor twisted as specified in Section 10.6.2 Typical diamond count for each standard height issho
17、wn in Table 1. Other diamond counts are permissibleprovided that they are consistent within a lot. The purchaserhas the option to specify the diamond count (4.1.5).7. Size of Mesh7.1 The size of mesh shall be as indicated in Table 2.7.2 The permissible variation from the specified size ofmesh shall
18、be 618 in. (63.2 mm) for all mesh sizes except 1in., and 6116 in. (61.6 mm) for 1 in. mesh size and under.7.3 The size of mesh shall be determined by measuring theminimum clear distance between the wires forming the parallelsides of the mesh and determined as the average of tworeadings taken at righ
19、t angles to each other.8. Size of Wire8.1 Chain-link fabric shall be fabricated from wire diam-eters as listed in Specification A817, with a permissiblevariation from the specified diameter of the coated wire of60.005 in. (60.13 mm).9. Height of Fabric9.1 Chain-link fabric shall be furnished in the
20、standardheights shown in Table 2. The height of fabric shall be theoverall dimension from ends of twists or knuckles. Thepermissible variation from the specified height shall be 61 in.(625 mm) for standard selvage.10. Selvage10.1 Unless otherwise specified by the purchaser, fabricswith 2- or 218-in.
21、 (50- or 54-mm) mesh, in heights 60 in. (1520mm) and under shall be knuckled at both selvages. Fabric 72in. (1830 mm) high and over shall be knuckled at one selvageand twisted at the other.10.2 The selvages of fabrics with meshes of less than 2 in.(50 mm) shall be knuckled.NOTE 2Caution: Twisted sel
22、vages for fence fabric under 72 in. (1830mm) in height are not recommended because of consumer safety consid-erations.11. Weight of Coating11.1 The weight of Zn-5A1-MM alloy coating on the fabricmay be ordered in two coating weight classes as follows, inaccordance with Specification A817.11.1.1 Clas
23、s 1The weight of Zn-5A1-MM alloy coatingshall not be less than 0.6 oz/ft2(183 g/m2) of uncoated wiresurface.11.1.2 Class 2The weight of Zn-5A1-MM alloy coatingshall not be less than 1.0 oz/ft2(305 g/m2) of uncoated wiresurface.11.2 The weight of coating shall be determined in accor-dance with Test M
24、ethod A90/A90M.TABLE 1 Typical Diamond CountANOTE 1Other diamond counts are permitted (see 6.2).NOTE 2For fabric heights over 144 in., see 6.2.NOTE 3Variations to knuckled or twisted selvage may affect diamond count (see 6.2).Nominal Di-ameterCoatedWire, in.Size ofMesh, in.Height of Fence Fabric, in
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