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Black wire is also called annealed wire,black iron wire,and fire wire.

Techniques of black wire:

roll hot metal into 6.5mm thick steel that is wire rod, then put it into the drawing device pulled into different diameter lines, gradually reduce the aperture drawing plate, cooling, undergoing annealing, coating and other processing technologies into a variety of different specifications of the wire.

Specification:
Wire Guage: BWG8 ~ BWG34

Wire Diameter: 4mm ~ 0.18mm

Tensile Strength: 500~980 N/mm2

Coil weight: 25kg, 50kg, 100kg, 200kg in normal coils 400~500 Kg or by Z2, Z3 coils

Package of black wire:
Carton packaging, plastic, plastic woven linen or customized packing.

Application of black wire:
used in woven wire mesh,wire tie,construction or daily using as binding material.

 

Black Wire

Wire Gauge

SWG(mm)

BWG(mm)

Metric(mm)

8

4.05

4.19

4.00

9

3.66

3.76

4.00

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

2.50

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

0.84

0.90

21

0.81

0.81

0.80

22

0.71

0.71

0.70