... iron wire 1>hard drawn wire 2>soft annealed wire 3>wire gauge: BWG8------24 4>T/S: 500-------980N black iron wire 1>hard drawn wire 2>soft annealed wire ... 3>wire gauge: BWG8------24 4>T/S: ... black iron wire, one is hard drawn wire, another is soft annealed wire.Hard drawn wire is the suitable material of iron nail, wire mesh, ...