... wire Black annealed Wire is also called black iron wire. It includes Annealed wire and black oiled wire.Annealed wire is ... of oxygen free annealing. we can do it into straight cutting wire,U type wire and also do according to users' special requirements. Packing ... , 20kgs, 25kgs, 40kgs, 50kgs, 100kgs-500kgs coils in bundles available. It also can be made according to our customers