BWG8-BWG26 Soft Annealed Binding Wire For Construction
Black iron wire, also called black wire or Annealed Wire, soft
annealed wire, annealed iron wire or just annealed steel wire comes
in the form of coil wire or cut wire. Mostly used in construction
or daily use as binding material, or material for weaving wire
mesh. We can produce two kinds of black iron wire, one is hard
drawn wire, another is soft annealed wire.
Hard drawn wire
Hard drawn wire is the suitable material of iron nail, wire mesh,
craftwork and so on.
Wire Guage: BWG8 ~ 23 #.
Wire Diameter:4mm ~ 0.8mm.
Tensile Strength: 500~980 N/mm2.
Coil weight: 25kg, 50kg, 100kg, 200kg in normal coils 400~500 Kg or by Z2, Z3
coils.
Packing: wrapped with PE film inside, outside PVC woven cloth or Hessian
cloth, Or can be put on wooden pallet.
Soft annealed wire
Types: Black soft annealed wire & Bright soft annealed wire or is named
Soft annealed wire oxygen free. Black annealed wire which is made
of iron wire, mainly used as tie wire or binding wire in
construction. The Black annealed iron wire can also know as the
Soft Anneal iron wire.
Diameter: BWG16, 18#, 19#, 20#, 22#, are the most popular sizes for sale.
Packing: in coil, by spool, or can be cut into sizes for binding/bundle.
Uses: Black annealed wire is used as tie wire or baling wire in
building, parks and daily binding.
| Wire Gauge | SWG in mm | BWG in mm | In Metric System mm |
| 8# | 4.06 | 4.19 | 4.00 |
| 9# | 3.66 | 3.76 | – |
| 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 | – |
| 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 |
