Black Iron Wire Quick Details:
Black annealed wire is made of low-carbon steel cold drawn, heated, constant temperature, insulation and other processing into a soft wire products. The use of wire is different, the composition is different, it contains the ingredients are: iron, cobalt, nickel, copper, carbon, zinc, and other elements. The hot metal blanks rolled into 6.5mm thick steel bar is the wire rod, and then into the drawing device into a different diameter of the line, and gradually reduce the diameter of the drawing plate, cooling,annealing, coating and other processing Craft made of a variety of different specifications of the wire.
Gauge | SWG in mm | BWG in mm | In Metric system mm |
8# | 4.06 | 4.19 | 4.00 |
9# | 3.66 | 3.76 | 3.80 |
10# | 3.25 | 3.40 | 3.50 |
11# | 2.95 | 3.05 | 3.00 |
12# | 2.64 | 2.77 | 2.80 |
13# | 2.34 | 2.41 | 2.50 |
14# | 2.03 | 2.11 | 2.10 |
15# | 1.83 | 1.83 | 1.80 |
16# | 1.63 | 1.65 | 1.65 |
17# | 1.42 | 1.47 | 1.40 |
18# | 1.22 | 1.25 | 1.20 |
19# | 1.02 | 1.07 | 1.00 |
20# | 0.91 | 0.89 | 0.90 |
21# | 0.81 | 0.813 | 0.80 |
22# | 0.71 | 0.711 | 0.70 |