Products Description

The term "bare copper wire" refers to the copper wire that is drawn from pure copper rod without any coatings, lacquers, or other conductive or insulating materials applied to its surface. This wire is commonly known for its bright appearance and characteristic copper color. Essentially, it is unadorned and unencumbered by any added features that could impact its conductivity or insulating properties. The lack of additional materials also makes it an economical option for various applications.

The material possesses excellent properties such as efficient electrical and thermal conductivity, resistance to corrosion, and impressive processing capabilities. It can easily undergo welding and brazing processes. However, it is not recommended to subject it to annealing, welding, or usage in high-temperature reducing atmospheres due to its limitations in those conditions.

Copper alloys find extensive applications in various industries, primarily in power-related applications such as power cables, busbars, transformers, switches, plug-in components, and connectors. Additionally, they are also widely utilized in the manufacturing of electric motors, where copper alloys with exceptional conductivity and strength play a crucial role. These materials enable the production of efficient and robust electric motors, enhancing their overall performance and reliability.

Copper, symbolized as Cu, is a transition metal element renowned for its versatile applications. With an atomic number of 29, it possesses excellent ductility, thermal conductivity, and electrical conductivity, making it an ideal choice for cables and electrical components. Moreover, it serves as a reliable building material and can form various alloys, the most notable being bronze and brass, which exhibit exceptional mechanical properties and low resistivity. An appealing aspect of copper is its recyclability, as it can be reused multiple times without compromising its mechanical attributes. Among the commonly encountered copper compounds, divalent copper salt stands out, with its hydrated ions showcasing a vibrant blue hue when bound with ligands like chlorine, which imparts a green coloration. These compounds, such as azurite and turquoise, have historically been utilized as pigments, lending distinct mineral shades to artistic creations. Over time, copper building structures develop a patina, particularly basic copper carbonate, adding a unique aesthetic appeal. Consequently, in the realm of decorative arts, metallic copper and copper-containing pigments hold great significance and find extensive usage.

If you need bare copper wires in different shapes, it's possible to get them processed according to your requirements. Flat wires, round wires, and other types of wires are all possible, and you can even combine multiple bare copper wires to form different kinds of stranded wires or multi-stranded wires. The versatility of bare copper wires makes them a highly sought-after material for a range of different applications.

Product Features

The excellent electrical conductivity and physical and mechanical properties of bare copper wire make it an ideal choice for various applications.

Bare copper wire is versatile in its ability to produce various specifications and models. Its conductivity and durability make it a valuable resource for a range of applications. By utilizing bare copper wire, products such as power cables, electronics, and telecommunications equipment can be created.
The range of specifications and models that can be produced by bare copper wire is vast. Different gauges and lengths of wire can be utilized to fulfill specific needs for a variety of applications. Bare copper wire is available in diameters ranging from 0.004 inches to larger sizes, which provide added strength and durability.
Bare copper wire can be used to create different models as well. Solid core wire, which is a single strand of copper, is often used for electrical applications where flexibility is not necessary. Stranded wire is composed of multiple copper strands and is ideal for applications requiring flexibility, such as in audio and video cables.
Overall, the versatility of bare copper wire makes it an essential material for many industries. The ability to produce various specifications and models makes it a valuable resource for creating high-quality products.

Application field

The versatility of bare copper wire is remarkable, as it can be transformed and utilized in a wide spectrum of applications. From cables to ultra-high voltage cables, communication to marine cables, automotive wires to photovoltaics, electronics to electromechanical fields, the uses of this material are endless. Its malleability and durability have made it an indispensable component across industries and have paved the way for innovation and progress in various fields.

Products such as steel cored aluminum stranded wire, copper-aluminum busbar, electric locomotive wire, etc., are characterized by their pure conductor metal construction, lacking insulation and sheath layers. The manufacturing process primarily involves pressure processing, including smelting, calendering, drawing, and stranding/compression stranding. These products find their main applications in suburban areas, rural areas, user main lines, and switch cabinets. Alike previous information, the following text reiterates the essence but rearranges the presentation.
Commonly found in suburban areas, rural areas, user main lines, and switch cabinets, the products referred to primarily consist of pure conductor metals without any insulation or sheath layer. Notable examples include steel cored aluminum stranded wire, copper-aluminum busbar, and electric locomotive wire. The manufacturing process revolves around pressure-based techniques like smelting, calendering, drawing, and stranding/compression stranding. Each of these products possesses unique features and plays a crucial role in diverse electrical applications.

Power cable products are known for their exceptional features, especially when it comes to transmitting strong electric energy. The main process involved in creating these products includes extruding the insulation layer outside the conductor or twisting several cores, such as phase wire, neutral wire, and ground wire. Additionally, these products can have sheath layers to enhance their durability and usability.
The production mainly involves drawing, stranding, insulation extruded, stranding, armouring, and sheath to extrude, which may vary depending on the product specifications. The main application of power cable products is in the transmission, distribution, transformation, and power supply lines, where the passing current is large, ranging from tens of amps to thousands of amps and high voltage ranging from 220V to 35kV and above.
Power cable products have revolutionized the electric power industry by ensuring efficient and safe transmission of high voltage electricity from one point to another. As such, their quality and performance have to meet industry standards to ensure their reliability and safety.

The main features of this type of wire and cable products for electrical equipment are: a wide variety of specifications, a wide range of applications, and a large number of operating voltages below 1KV. For special occasions, new products are continuously derived, such as fire-resistant cables, flame-retardant cables, low-voltage cables, and low-voltage cables. Smoke-free halogen/low-smoke low-halogen cables, termite-proof, mouse-proof cables, oil-resistant, cold-resistant, temperature-resistant and wear-resistant cables, medical, agricultural and mining cables, thin-walled wires, etc. With the rapid development of the communication industry, communication cables and optical fibers have developed from simple telephone and telegraph cables to thousands of pairs of telephone cables, coaxial cables, optical cables, data cables, and even combined communication cables. The structural size of this type of product is usually small and uniform, and the manufacturing precision is high.

Winding wire Winding wire is a conductive metal wire with an insulating layer, which is used to wind coils or windings of electrical products. When it works, it generates a magnetic field through the current, or cuts the magnetic field line to generate an induced current, and realizes the conversion of electric energy and magnetic energy, so it becomes an electromagnetic wire.

Physical properties

In terms of physical properties, the bare copper wire is soft, has excellent electrical conductivity and strong heat transfer capability.

QA&QCQuality Assurance and Quality Control

Bare copper wires must be produced and inspected according to the standards of GB/T 3953 "Electrical Round Copper Wire" and GB/T 4909 "Test Methods for Bare Wires".

Packaging, storage, handling and shipping

After the bare copper wire is produced, it must be packaged, stored, handled and transported in strict accordance with customer and industry standards to ensure that the product is free from moisture and damage.