Black annealed wire is also called black iron wire，soft annealed wire and annealed iron wire.It includes annealed wire and black oiled wire.Annealed wire is obtained by means of thermal annealing. It’s made of carbon steel wire. Annealed wire offers excellent flexibility and softness through the process of oxygen free annealing. And the black oiled wire is formed via the process of wire-drawing, anneal, and fuel oil injection. We can do it into straight cutting wire and also do according to customers' special requirement.