1>balck anneal Wire Materials: Iron wire or carbon steel wire. Soft annealed wire offers excellent flexibility and softness through the process of oxygen free annealing. 2>black anneal wire Uses: Black annealed wire is mainly processed into coil wire, spool wire or big package wire. Or further straightened and cut into cut wire and U type wire. Annealed wire is used as tie wire or baling wire in building, parks and daily binding. 3>black anneal wire Packing: Spools, coils. 4>black anneal Wire Diameters: Similar to galvanized iron wire, from 5mm to 0.15mm (wire gauge 6# to 38#). 5>We offer two kinds of annealed wire, bright annealed and black annealed wire. Black annealed wire gets its name from its plain black color.