... 4.Coil weight:25kg,50kg,100kg 1.Features: Black annealed wire offers excellent flexibility and softness due to its oxygen- ... Application: Black annealed wire is mainly used as industrial wire, construction wire, industrial bale tie wire and constructional tie wire, etc 4.TechnologyBlack annealed wire material is ... according to our customers' requirements. 6. product pictures Black annealed iron wire