Black Annealed Wire Annealed Wire is made of carbon steel wire, used for weaving, baling in general. Applied for home use and the construction Wire Materials of Black Annealed Wire : Iron wire or carbon steel wire. Soft annealed wire offers excellent flexibility and softness through the process of oxygen free annealing. Application of Black Annealed Wire: Black annealed wire is mainly processed into coil wire, spool wire or big package wire. Or further straightened and cut into cut wire and U type wire. Annealed wire is used as tie wire or baling wire in building, parks and daily binding. Packing of Black Annealed Wire : Spools, coils. Wire Diameters of Black Annealed Wire: Similar to galvanized iron wire, from 5mm to 0.15mm ( wire gauge 6# to 38# ) .