Product name	Black Annealed Iron Wire
Size range	BWG8-BWG22
Function	Binding Wire
Processing Service	Decoiling
Material	Q195/Q235
Application	Building Material
Surface	Annealed, rust-proof oil
Color	Black
Packing	Woven Bag, Hessian cloth, Pallet or Custom
Tensile strength	350-550N/mm2
Certificate	ISO9001
Wire diameter	0.7mm--6.0mm
Coil weight	1kg --- 500kg/coil

Wire Gauge	SWG(mm)	BWG(mm)	Metric(mm)
8	4.05	4.19	4
9	3.66	3.76	4
10	3.25	3.4	3.5
11	2.95	3.05	3
12	2.64	2.77	2.8
13	2.34	2.41	2.5
14	2.03	2.11	2.2
15	1.83	1.83	1.8
16	1.63	1.65	1.6
17	1.42	1.47	1.4
18	1.22	1.25	1.2
19	1.02	1.07	1
20	0.91	0.84	0.9
21	0.81	0.81	0.8
22	0.71	0.71	0.7

Annealed wire is a type of metal wire that has been heat-treated to become more flexible and malleable. The process of producing annealed wire is known as "annealing" or "heat treatment". Annealed wire is widely used in construction, industrial and agricultural fields due to its flexibility and durability. The production process of annealed wire involves multiple steps, including wire drawing, cleaning, straightening, and finally, annealing.

The wire drawing process involves pulling metal wire through a series of die plates to reduce its diameter and increase its length. This process produces a raw wire that is always hard and brittle, making it difficult to bend and use for practical purposes. In order to make it more flexible, the raw wire needs to go through a cleaning process that removes any impurities from its surface. Once the wire is clean, it is straightened by passing it through a series of rollers to remove any kinks or bends.

After the wire is cleaned and straightened, it is ready for the annealing process. This process involves heating the wire to a specific temperature and then cooling it slowly. The wire is placed in an oven or furnace and heated to a temperature of approximately 700-900°C for a period of several hours. This temperature causes the molecular structure of the wire to change, making it more flexible and less brittle. The cooling process is also critical because it needs to be done slowly to prevent the wire from becoming brittle again due to rapid temperature changes.

Once the wire is cooled down, it is cleaned once again to remove any residue from the annealing process. The wire is then bundled and shipped to various industries for use in various applications, such as fencing, construction, or agriculture. The annealed wire is typically available in various diameters, depending on the intended use.

In conclusion, the production of annealed wire involves a complex process that requires several steps of wire drawing, cleaning, straightening, and finally, annealing. Due to its flexibility and durability, annealed wire is widely used in various industries, including construction, industrial, and agriculture. The annealing process helps to increase the flexibility of the wire and make it more usable for practical purposes.

product-1084-1263