Black iron wire is also called bright steel wire, it becomes soft after annealing, the tensile strength is 300-500Mpa/Mm2. Redrawing from the high-quality carbon steel wire rod, The major material are Q195和Q235 in China. They are mainly used for weaving wire mesh, fence for highway, making nails, tying and so on.

   Available Sizes: 4# -38# (wire dia.).