ASTM A824-01(2022)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: A824 −01 (Reapproved 2022)
Standard Specification for
Metallic-Coated Steel Marcelled Tension Wire for Use With
Chain Link Fence
This standard is issued under the fixed designation A824; the number immediately following the designation indicates the year of
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. Scope 3. Terminology
1.1 This specification covers 0.177 in. (4.50 mm) diameter 3.1 Definitions:
metallic-coated carbon steel marcelled tension wire for use 3.1.1 Fordefinitionsoftermsusedinthisspecification,refer
with chain-link fence. The 0.177 in. (4.50 mm) diameter
to Terminology A902.
metallic-coated wire shall be produced in accordance with 3.2 Definitions of Terms Specific to This Standard:
Specification A817. Three types of coatings are covered:
3.2.1 marcelling—a process whereby either a uniform helix
1.1.1 Type I—Aluminum-coated (aluminized), or a series of waves is put in a wire to facilitate tensioning the
1.1.2 Type II—Zinc-coated (galvanized), and
wirewheninstalledtosupportthetoporbottom,orboth,ofthe
1.1.3 Type III—Zinc-5 % Aluminum Mischmetal (Zn5Al- chain-link fabric (see 5.2.1).
MM) alloy-coated.
4. Ordering Information
1.2 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
4.1 Orders for metallic-coated steel tension wire should
information only.
include the following information:
4.1.1 Quantity (expressed in number of coils),
1.3 This standard does not purport to address all of the
4.1.2 Name of product,
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 4.1.3 Type of coating (see 5.3),
priate safety, health, and environmental practices and deter- 4.1.4 Class of coating if applicable (see 5.3.2 and 5.3.3),
mine the applicability of regulatory limitations prior to use. 4.1.5 Packaging requirements (see Section 14),
1.4 This international standard was developed in accor- 4.1.6 Certification or test report, or both, if specified (see
dance with internationally recognized principles on standard-
Section 13), and
ization established in the Decision on Principles for the
4.1.7 ASTM designation and year of issue.
Development of International Standards, Guides and Recom-
NOTE 1—Atypical ordering description is as follows: 20 coils metallic-
mendations issued by the World Trade Organization Technical
coated steel tension wire, Type II, Class 2, in 100-lb coils, to ASTM
Barriers to Trade (TBT) Committee.
A824 – ___ .
2. Referenced Documents
5. Materials and Manufacture
2.1 ASTM Standards:
5.1 The steel rod from which the wire is drawn shall be
A700 Guide for Packaging, Marking, and Loading Methods
manufactured by the open-hearth, electric-furnace, or basic-
for Steel Products for Shipment
oxygen process.
A817 Specification for Metallic-Coated Steel Wire for
Chain-Link Fence Fabric and Marcelled Tension Wire
5.2 The 0.177 in. (4.50 mm) diameter wire shall be cold-
A902 Terminology Relating to Metallic Coated Steel Prod- drawn, metallic-coated at finished size to produce the specified
ucts
mechanical properties per Specification A817, then marcelled
as specified in 5.2.1.
This specification is under the jurisdiction ofASTM Committee F14 on Fences
5.2.1 Marcelling shall produce a helix or series of waves in
and is the direct responsibility of Subcommittee F14.40 on Chain Link Fence and
the wire with the offset distance from the wire axis to the wave
Wire Accessories.
peaks or the helix not less than 0.125 in. (3.18 mm) (measured
Current edition approved Nov. 1, 2022. Published November 2022. Originally
to the center of the wire). The pitch (distance between
approved in 1984. Last previous edition approved in 2017 as A824 – 01(2017).
DOI: 10.1520/A0824-01R22.
successive points on the waves or helix) shall be not more than
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
12 in. (305 mm). Prior to making measurements of the
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
marcelling, curvature from coiling shall be removed by the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. application of a 500-lbf (2225-N) tensile load. Maintain the
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
A824 − 01 (2022)
load while measuring the offset distance and pitch. Measure- which the original sample failed to comply at a frequency of
ments shall be made on a section of wire with a length at least 10 % or more so that the total number of tests is at least double
two times the pitch length. the original. Any lot that exhibits a failure shall be rejected. If
5.2.1.1 Measurement of offset distance may be performed during retesting an additional quality parameter is observed to
by placing a straightedge against two adjacent peaks or be defective, the lot of 50 is subject to rejection for that cause.
corresponding points on a helix, measuring the distance to the The manufacturer may test each coil in the failed lot for the
insideofthewire180°opposite,anddividingthevaluebytwo. property in which failure occurred and reject only the noncon-
forming coils.
5.3 The 0.177 in. (4.50 mm) diameter wire shall be fur-
nished with one of three types of coating, per Specification 10.4 Ifanytestspecimenshowsthepresenceofaweldoran
A817 as specified: obvious defect, it may be discarded and another specimen
5.3.1 Type I—Aluminum-Coated (Aluminized), with coating substituted.
weight specified.
10.5 Test
...