black annealed Wire is made of carbon steel wire, used for weaving, baling in general. Applied for home use and the construction.black Annealed wire is obtained by means of thermal annealing, in civil construction annealed wire, also known as "burnt wire". Soft annealed wire offers excellent flexibility and softness through the process of oxygen free annealing. ocessed into coil wire, spool wire or big package wire. Or further straightened and cut into cut wire and U type wire.