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ASTM A121 - 07


This specification covers metallic-coated carbon steel barbed wire, consisting of a strand of two wires. The barbed wire is available with aluminum, zinc, and zinc-aluminum-mismatched alloy coatings with a number of coating weights. The barbed wire is classified as coating Type A, Type Z, and Type ZA. The sizes and constructions for barbed wire furnished under this specification shall conform the requirements. Sampling, testing and inspection of the material shall be performed in accordance with this specification.

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 steel barbed wire, consisting of a strand of two wires.

1.2 The barbed wire is available with aluminum, zinc, and zinc-5 % aluminum-mischmetal alloy coatings, with a number of coating weights, in a number of different constructions (designs), and in two grades. Not all designs are available in all coating types.

1.3 The values stated in inch-pound units are to be regarded as the Standard. The values given in brackets are for information only.

1.4 The text of this specification references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables) shall not be considered as requirements of the specification.


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
A428/A428M Test Method for Weight [Mass] of Coating on Aluminum-Coated Iron or steel Articles
A641/A641M Specification for Zinc-Coated (Galvanized) Carbon steel Wire
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A809 Specification for Aluminum-Coated (Aluminized) Carbon Steel Wire
A856/A856M Specification for Zinc-5 % Aluminum-Mischmetal Alloy-Coated Carbon Steel Wire
A902 Terminology Relating to Metallic Coated Steel Products

Federal Standard

Fed.Std.No.123 Marking for Shipments (Civil Agencies)

Military Standards

MIL-STD-163 Steel Mill Products Preparation for Shipment and Storage


Index Terms


barbed wire; carbon steel wire; metallic coated steel wire; steel barbed wire; wire;




ICS Code


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



DOI: 10.1520/A0121-07

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ASTM A121 (Steel Standards)

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