... iron wireoffer iron wire with basically three treatments: black iron wire, galvanized iron wire, annealed wire, simply oil painted against rust, without any galvanizing.black iron wire is a kind of hard drawn carbon steel wire ... .Forms available:Coil wire, spool wire, U type wire, Tie wire,Straight cut wire, etc. 10.Application:Black Iron Wire is a kind of hard drawn carbon steel wire, suitable for ...