Black Annealed Wire. 1.Material:Black Annealed Wire. 2.Wire gauge:0.71mm-4.06mm. 3.Tensile strenght: 350kg/MM2-600kg/MM2. Black Annealed Wire 1.Material: Black Annealed Wire 2.Wire gauge: 0 ... , parks and daily binding. Besides, black annealed wire is mainly used as industrial wire, construction wire, industrial bale tie wire and constructional tie wire, etc. Black Annealed Wire(Anping Factory)