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Black Steel Wire

There is a coil of black annealed wire on the white ground.

Annealed Wire For Agriculture, Construction and Handicrafts

Black steel wire, also called black annealed wire, black iron wire, is made of carbon steel wires and produced through thermal annealing. The black annealed wire is softer, more flexible, uniform softness than traditional carbon steel wire.

The black annealed wires are widely used in mesh weaving, binding wire in constructions and agriculture. The black annealed wires can be treated with galvanized, powder coating or PVC coated for more durable and corrosion resistance performance.

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Specification

Wire gauge: BWG 6 to BWG26
Tensile Strength: 350–500 MPa
Elongation: 10% – 25%
Weight: 1–800 kg/coil
Package: inside with plastic film and outside with hessian
Material: mild Steel

	SWG		BWG		BG		AWG
NO	INCH	MM	INCH	MM	INCH	MM	INCH	MM
5	0.212	5385	0.220	5.588	0.2225	5.652	0.1819	4.621
6	0.192	4.877	0.203	5.156	0.1981	5.032	0.1620	4.115
7	0.176	4.470	0.180	4.572	0.1764	4481	0.1443	3.665
8	0.160	4.046	0.165	4.191	0.1570	3.988	0.1285	3.264
9	0.144	3.658	0.148	3.759	0.1398	3.551	0.1144	2.906
10	0.128	3251	0.134	3.404	0.1250	3.175	0.1019	2588
11	0.116	2.946	0.120	3.408	0.1313	2327	0.0907	2.305
12	0.104	2.642	0.109	2.769	0.0991	2.517	0.0808	2.053
13	0.092	2337	0.095	2.413	0.0882	2.240	0.0720	1.828
14	0.080	2.032	0.083	2.108	0.0785	1.994	0.0648	1.628
15	0.072	1.829	0.072	1.829	0.0699	1.775	0.0571	1.450
16	0.064	1.626	0.065	1.651	0.0625	1.588	0.0508	1.291
17	0.056	1.422	0.058	1473	0.0556	1.412	0.0453	1.150
18	0.048	1.219	0.049	1.245	0.0495	1.257	0.0403	1.024
19	0.040	1.016	0.042	1.067	0.0440	1.118	0.0359	0.912
20	0.036	0.914	0.035	0.839	0.0392	0.996	0.0320	0.812
21	0.032	0.813	0.032	0.813	0.0349	0.887	0.0285	0.723
22	0.0280	0.711	0.028	0.711	0.03125	0.794	0.02535	0.644
23	0.0240	0.610	0.025	0.635	0.02782	0.707	0.02010	0.573
24	0.0220	0.559	0.022	0.559	0.02476	0.629	0.01790	0.511
25	0.0200	0.508	0.020	0.508	0.02204	0.560	0.01594	0.455
26	0.0180	0.457	0.018	0.457	0.01961	0.498	0.01420	0.405
27	0.0164	0.417	0.016	0.406	0.1745	0.443	0.01420	0.361
28	0.0149	0.376	0.014	0.356	0.01562	0.397	0.01264	0.321
29	0.0136	0345	0.013	0.330	0.01390	0.353	0.01126	0.286
30	0.0124	0.315	0.012	0.305	0.01230	0.312	0.01003	0.255
31	0.0116	0-295	0.010	0.254	0.01100	0.270	0.00893	0.227
32	0.0109	0274	0.009	0.229	0.00980	0.249	0.00795	0.202
33	0.0100	0254	0.008	0.203	0.00870	0.221	0.00708	0.180
34	0.0092	0.234	0.007	0.178	0.00770	0.196	0.00630	0.160
35	0.0084	0.213	0.005	0.127	0.00690	0.175	0.00561	0.143
36	0.0076	0.193	0.004	0.102	0.00610	0.155	0.00500	0.127

Production

Production Flow Chart

A roll of low carbon steel wires are on the axis.

Step 1

Low carbon steel wire material

Step 2

Annealing

Several rolls of black annealed wires in the warehouse.

Step 3

Finished

Gallery

Black annealed wires are widely used in binding applications in agriculture and constructions. It is also the raw material of various weaving or welding meshes.

A worker is tying concrete rebars with black annealed wire.

construction tying

Baling hay

Several pieces of welded mesh on the ground.

Welding mesh

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Application

Airport Fence