Wire diameter: 0.1mm-5.6mm Tensile strength: 350-500N/mm2 Elongation Rate: 10%-25% 1.Black wire material: Low carbon steel wire,Q195.2.Black wire surface: Annealed.3.Black wire diameter: 0.1mm-5.6mm.4.Black wire tensile strength: 350-500N/mm2 .5.Black wire uses: Building wire, Industry, Agriculture, Aquaculture, Construction, Transportation, Mining, etc.