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

The Production Process of Annealed Wire

Annealed wire is a type of soft and flexible wire that has undergone a process called annealing, which involves heating the wire and slowly cooling it down to make it more malleable. Annealed wire is commonly used in various industries, including construction, agriculture, and packaging. In this article, we will discuss the production process of annealed wire.

1. Wire Drawing

The first step in producing annealed wire is wire drawing. The wire drawing process involves pulling the wire through a series of dies to reduce its diameter. This process ensures that the wire has a uniform thickness and strength. The diameter of the wire will depend on the intended use of the wire.

2. Cleaning

After wire drawing, the wire is cleaned to remove any impurities or debris. This is important because any dirt or oil on the surface of the wire can affect the annealing process. The wire is usually cleaned by passing it through a chemical bath that removes any contaminants.

3. Annealing

Once the wire is clean, it is put through an annealing process. The wire is heated in a furnace to a specific temperature, usually between 700-900°C. The wire is held at this temperature for a certain period, depending on the thickness and type of wire being annealed. The wire is then slowly cooled down to room temperature.

4. Cleaning

After annealing, the wire is again cleaned to remove any oxidation or scale that may have formed during the annealing process. This is usually done by passing the wire through an acid bath, which removes any unwanted material.

5. Drawing and Packing

The final step in the production of annealed wire is drawing and packing. The wire is drawn through a series of dies to further reduce its diameter and increase its strength. The wire is then packed into coils of various sizes depending on the specifications of the customer.

In conclusion, annealed wire is a critical component in various industries. The production process involves wire drawing, cleaning, annealing, cleaning again, and drawing and packing. The quality of the wire produced depends on the quality of each step in the process, as even minor contaminants can affect the wire's properties.

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