... black wire: good flexibility, good plasticity, mainly for the construction for bundled wire and tie wire.3) Usages ... of black wire: widely used in the construction industry, handicrafts, woven wire mesh, product packaging ... black annealed iron wire, soft light annealed iron wire. The standard size:SWG5-SWG24 T/S(kg/mm2):30- ... details. annealed black wire with good quality and best price