ASTM A817 - 12

    Standard Specification for Metallic-Coated Steel Wire for Chain-Link Fence Fabric and Marcelled Tension Wire

    Active Standard ASTM A817 | Developed by Subcommittee: A05.12

    Book of Standards Volume: 01.06

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    This specification covers metallic-coated carbon steel wire for the manufacture of chain-link fence fabric and marcelled tension wire. Three coating types, namely: Type I (aluminized), Type II (galvanized), and Type III (zinc-aluminum-mischmetal alloy-coated), and five coating classes, namely: Class 3, Class 4, Class 5, Class 60, and Class 100, are covered. This specification does not cover the wire for chain-link fence when the coating is to be applied after the weaving process. The steel rod from which the wire is to be drawn shall be manufactured by the open-hearth, electric-furnace, or basic-oxygen process. The wire shall be cold-drawn, then metallic-coated at finished size to produce the specified mechanical properties such as breaking strength. Type I and Type III coatings shall be produced by a hot-dip process and Type II coating by either a hot-dip or an electrolytic process. The ingot or pig aluminum to be used for Type I coating shall conform to the impurity limits specified for copper and iron. Requirements for coated wire diameter, coating weight, coating adherence, and methods of chemical analysis and breaking strength test are detailed.

    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 metallic-coated carbon steel wire used in the manufacture of chain-link fence fabric and marcelled tension wire. Three types of coatings are covered:

    1.1.1 Type I—Aluminum-coated (aluminized),

    1.1.2 Type II—Zinc-coated (galvanized), and

    1.1.3 Type III—Zinc-5 % Aluminum-Mischmetal (Zn-5Al-MM) alloy-coated.

    1.2 The chain-link fabric woven from wire in this specification is covered separately by Specifications A491 for Type I, A392 for Type II, and F1345 for Type III.

    1.3 The marcelled tension wire manufactured from wire in this specification is covered separately in Specifications A824 and F1664.

    1.4 This specification does not cover the wire used for Specification A392 when the chain-link fence producer applies the coating after the weaving process.

    1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only.

    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

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A392 Specification for Zinc-Coated Steel Chain-Link Fence Fabric

    A428/A428M Test Method for Weight [Mass] of Coating on Aluminum-Coated Iron or Steel Articles

    A491 Specification for Aluminum-Coated Steel Chain-Link Fence Fabric

    A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment

    A824 Specification for Metallic-Coated Steel Marcelled Tension Wire for Use With Chain Link Fence

    A902 Terminology Relating to Metallic Coated Steel Products

    B6 Specification for Zinc

    B750 Specification for GALFAN (Zinc-5 % Aluminum-Mischmetal) Alloy in Ingot Form for Hot-Dip Coatings

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

    E47 Test Methods for Chemical Analysis of Zinc Die-Casting Alloys

    E536 Test Methods for Chemical Analysis of Zinc and Zinc Alloys

    F1345 Specification for Zinc-5 % Aluminum-Mischmetal Alloy-Coated Steel Chain-Link Fence Fabric

    F1664 Specification for Poly(Vinyl Chloride) (PVC) and Other Conforming Organic Polymer-Coated Steel Tension Wire Used with Chain-Link Fence

    International Lead Zinc Research Organization

    GF-1 Standard Practice for Determination of Cerium and Lanthanum Compositions in Galfan Alloy (5 % Al-0.04 % La-0.04 % Ce Bal SHG Zn) Available from International Lead Zinc Research Organization, P.O. Box 12036, Research Triangle Park, NC 27709.

    ICS Code

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

    UNSPSC Code

    UNSPSC Code 31152206(Coated steel wire); 30152001(Metal fencing)

    DOI: 10.1520/A0817-12

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