... the form of coil wire, tie wire or cut into straight wire.Black Iron Wire is mostly used as binding wire or tie wire.Black Annealed WireQC: ISO 9001:2000 ... coiling.Application: Galvanized wire is extensively used in construction, chain link fence,welded wire mesh, welded fence panel,hexagonal wire netting, gabion,barbed wire,razor wire. black annealed iron wire