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Specifications

Black annealed wire

Material: low carbon steel wire through the process of wire drawing, acid washing, rust removing and annealing

Surface treatment: black iron wire can be annealed into black annealed wire

Wire gauge: Bwg8-Bwg22, 0.5mm-5mm

Tensile strength : 300-450Mpa

Elongation: >15%
Supply form: 1.spools
2.coils
3.be cut into certain sizes
4.U type shape.

Package: packed in coil:1.Plastic bag or PVC bags inside, weave cloth outside

2.Plastic bag or PVC bags inside, Hessian cloth outside

        Packed in spool: spool specification according to customer’s requirements.

Usage: widely used in construction, handcraft, weaving wire mesh, products packing and daily use. others can be made according to customer's request.

Specification:

Sizes of black annealed Iron Wire

Wire Gauge
SWG in mm
BWG in mm

In Metric System mm

8#
4.06
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
0.89
0.90
21#
0.81
0.813
0.80
22#
0.71
0.711
0.70

23# to 34# also available for galvanized iron wire.