This specification covers metallic-coated steel smooth high-tensile fence and trellis wire. Two types of coatings are covered; Type 1, which are zinc-coated, and Type II, which are zinc-5% aluminum mischmetal alloy coated. The material as represented by the test specimens shall meet specified tensile strength and elongation requirements. The test methods and definitions for tension test are presented. The material as represented by the test specimens shall not fracture when wrapped at a specified rate in a close helix of at least two turns around a cylindrical mandrel. The test methods and definitions for wrap test are presented. The test methods and definitions for coating adherence test are presented. The weight of metallic coating shall be determined accordingly. One test specimen shall be taken from each 10 000 lb [4540 kg] or fraction thereof. Test specimens shall be taken from either end of coil.
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1.1 This specification covers 12 1/2-gage (0.099-in.) [2.5- mm] Class 3 metallic-coated steel wire suitable for use in parallel–wire fence, trellis, and similar structures that are typically nonelectrified. Two types of coatings are covered, as follows:
1.1.1 Type 1—Zinc-coated (galvanized), and
1.1.2 Type II—Zinc-5 % aluminum mischmetal (Zn-5Al-MM) alloy coated.
1.2 This specification is applicable to orders in either inch-pound units (as A854) or acceptable SI units (as A854M). Inch-pound units and SI units are not necessarily equivalent.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
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
E1277 Test Method for Chemical Analysis of Zinc-5 % Aluminum-Mischmetal Alloys by ICP Emission Spectrometry
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
International Lead Zinc Research Organization Standard
Gf-1 Standard Practice for Determination of Cerium and Lanthanum Compositions in Galfan Alloy (5 % Al-0.04 % La-0.04 % Ca-Bal/SHG Zn) Class 3 Coating
MIL-STD-129 Marking for Shipment and Storage
fencing material; metallic-coated steel wire; steel wire—high tensile; steel wire—zinc-5?% aluminum alloy coated; steel wire—zinc coated; zinc coatings—steel wire products; zinc-5?% aluminum alloy coatings—steel wire products ;
ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)
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