... that is 5.0mm-0.3mm Packing:8kg 25kg 50kg Black Annealed wire/black iron wire1.Material: low carbon steel rod Q195, SAE1006, ... demands. Normally,25kg/coil, 50kg/coil, 100kgs/coil,and big coil 500-800kg/coil.small coil:0.2- 10kg/coil ... process:Steel rod coil -Wire Drawing - annealing- Wire Coiling7. USE: Mostly used in construction or daily use as binding material. Black Annealed wire/black iron wire