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.