We can supply annealed wire and black iron wire in different wire diameters. Finish: Can be black iron or annealed. Applications: Black iron wire and annealed wire are used mostly in the form of cutting wire or binding wire. Sunshine produces good quality black iron wire and soft black anneal wire for customers. Black Annealed wire, also written as black anneal wire, comes in the form of coil wire or cut wire. Mostly used in construction or daily use as binding material.