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Copper Tube Short Network

Material Characteristics

Introduction to the raw materials of copper tubes in the short network system As a key conductive component in the short
network system, the copper tube has unique properties in its raw materials. Chemical composition The raw materials commonly used for copper tubes in the short network system are high-purity copper, such as T2 red copper. Taking T2 red copper as an example, according to the standard GB/5231 – 2012 “Designations and chemical compositions of wrought copper and copper alloys”,its chemical composition has the following characteristics: The content of copper (Cu + a) is as high as 99.9% or more, and the impurity content is strictly controlled at a very low level. Among them, the content of antimony (Sb) is only 0.002%, the content of arsenic (As) is 0.002%, the content of iron (Fe) is 0.005%, the content of lead (Pb) is 0.005%, and the content of sulfur (S) is 0.005%. This strict chemical composition control ensures the high quality of the copper tube raw materials.

Performance characteristics

1.Excellent electrical conductivity

The raw materials of copper tubes have excellent electrical conductivity.
High-purity copper ensures that electrons can move smoothly in it, thereby realizing efficient current transmission. In an environment of large current transmission such as the short network system, this good electrical conductivity is one of the key factors to ensure the normal operation of the entire system. For example, in the short network system of a submerged arc furnace,a large amount of electrical energy needs to be transmitted from the transformer to the electrode through the copper tube. The copper tube with low resistance can minimize the loss of electrical energy during transmission and improve energy utilization efficiency.

2.Excellent thermal conductivity

In addition to electrical conductivity, its thermal conductivity is also very excellent. During the working process of the short network system, due to the passage of large currents, the copper tube will generate heat. Good thermal conductivity enables the heat to be dissipated quickly, preventing the copper tube from affecting its performance or being damaged due to overheating. This is crucial for maintaining the stable operation of the short network system,
because local overheating may cause a series of problems such as degraded material performance and loosened connection parts.

3.Good corrosion resistance

The working environment of the short network system is often harsh, and there may be factors such as high temperature, humidity, and various chemical substances. The corrosion resistance of the copper tube raw materials can make it remain stable in such an environment. The oxide film formed on its surface can prevent the further erosion of external corrosive
media to a certain extent, prolong the service life of the copper tube, and ensure the long-term and reliable operation of the short network system.

4.Outstanding processing performance

This raw material performs well in processing and is easy to perform processing operations such as cutting, bending, and welding. In the manufacturing process of the short network system, copper tubes need to be processed and assembled into various shapes according to specific design requirements. For example, copper tubes need to be bent into a specific shape to adapt to the layout of the short network system. Its good processing performance can ensure that there will be no cracks, deformations and other problems during the processing process, ensuring processing accuracy and quality. At the same time, its characteristics of being weldable and brazable also provide convenience for the connection between copper tubes and other components in the short network system, and can form a firm and reliable electrical connection.

5.Little influence of impurities

The copper tube raw materials contain less impurities, and these impurities have minimal influence on its electrical conductivity, thermal conductivity and processing performance. Even if there is a trace amount of oxygen, it will not have obvious interference on its key performance. This characteristic makes the performance of the copper tube in the short network system more stable and reduces the performance fluctuation and failure risk caused by impurity factors.

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