... Iron Wire Wire black wire ,all kinds of building material black iron wire BWG8-BWG22 low carbon steel Black ... of our company, black annealed tie wire is made of iron wire, mainly used as tie wire ... : low carbon steel wire through drawing then annezled.4) Material: Low carbon wire rod, Q1955) Wire diameter: BWG8BWG226) ... 81280.80220.71090.70 All kinds of building material, Black Annealed Iron Wires