ASTM A740 - 98(2014)

    Standard Specification for Hardware Cloth (Woven or Welded Galvanized Steel Wire Fabric)

    Active Standard ASTM A740 | Developed by Subcommittee: A05.12

    Book of Standards Volume: 01.06


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    Abstract

    This specification covers woven or welded galvanized steel wire fabric commercially known as hardware cloth. It is customarily used for window and screen door guards, tree guards, industrial machine guards, sand screens, and grain bins. It serves as a protective screen against rodents and is used for many other home, farm, and industrial purposes. The base metal of hardware cloth shall be of good commercial quality carbon steel wire. The zinc use in the galvanizing process shall be any grade of zinc. Hardware cloth shall be of wire woven or welded into squares or rectangles and then galvanized by the hot-dip process. The mesh size in inches shall be determined by counting the meshes for any interval of one continuous linear foot, in the direction of either the warp or filler wires, and finding the mesh size. All wire diameter designations in this specification for hardware cloth are finished sizes after galvanizing. Wire diameter for calculating purposes shall be the average measured diameters, after stripping, of at least five warp and an equal number of filler wires.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers woven or welded galvanized steel wire fabric commercially known as hardware cloth. It is customarily used for window and screen door guards, tree guards, industrial machine guards, sand screens, and grain bins. It serves as a protective screen against rodents and is used for many other home, farm, and industrial purposes.

    1.2 The values stated in inch-pound units are to be regarded as the standard.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings

    B6 Specification for Zinc

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    Military Standards

    MIL-STD-1188 Commercial Packaging of Supplies and Equipment


    ICS Code

    ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)

    UNSPSC Code

    UNSPSC Code 31152206(Coated steel wire)


    DOI: 10.1520/A0740

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