... black iron wire is a kind of hard drawn carbon steel wire, suitable for weaving, fencing, galvanizing or tying applications.3.Wire gauge ... : plain black. 9.Forms available:Coil wire, spool wire, U type wire, Tie wire,Straight cut wire, etc. 10.Application:Black Iron Wire is a ... 5kg - 500kg) (or in according to your requirement)annealed iron wire compitive price of black annealed iron wire (factory)