Copper is a relatively red metal that has a very high electrical and thermal conductivity (among pure metals, only silver has a higher electrical conductivity at room temperature than copper) because copper artifacts discovered date back to 8700 years ago. Copper is probably the oldest metal used by humans. In addition to being present in various minerals, copper is also found in metallic form.

The cathode mesh is generally converted into different shapes based on the intermediate casting process such as slabs, billets, sheets, wires, and copper rods, pipes, and copper alloys.

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Electrical uses of copper 

The use of copper handles and plates ensures the use of the biological properties of copper and prevents the transmission of disease and germs.

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The antimicrobial properties of copper make it a popular metal in medicine. Several hospitals ‎have tested by covering covered surfaces such as bed rails and buttons with metal alloys to ‎slow hospital-acquired infections. "Th e metal kills microbes by interfering with the electrical ‎charge of cell membranes," said Cassandra Salgado, a professor of infectious diseases and ‎epidemiologist at the University of South Carolina Medical University.‎

The new implant allows researchers to develop a one-step treatment for bone infection without ‎the need for antibiotics, according to researchers.‎

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‎1- Pure copper: which contains 99.3% or more copper.‎

‎6- Special alloys: When alloys contain chemical compounds that do not fall into any of the ‎above groups, they are called special alloys.‎

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About 40% of the annual consumption of alloys of this metal is supplied from recycled copper materials.

Wet ammonia solution, halogens, sulfides, solutions containing ammonia ions, and oxide acids, such as nitric acid, will attack copper. The corrosion resistance of copper alloys is due to the formation of adhesive films on the surface of the material. These films are relatively impermeable to corrosion, thus protecting the base metal from further attack. Cu-Ni alloys, aluminum brass, and aluminum show excellent corrosion resistance in saltwater.

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The cathode is sent to the foundry unit in the refinery and leaching. This unit consists of two parts, continuous and semi-continuous casting. Among the products of the semi-continuous casting, the sector is slabbed (copper flat ingots) which are produced according to ASTM B5 standard.

In general, the main advantage of copper wire is its strength and flexibility. Ease of flexibility, ‎wiring, and installation. The conductivity in copper is so high that you need small conductors ‎and because of its physical strength, you will be sure that you have strong and safe connections. ‎Also, the high flexibility of copper ensures that there is no risk of fracture on copper. The only ‎drawback is that copper is expensive.‎

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Copper is a metallic element with high ductility and thermal and electrical conductivity properties. Pure copper is soft and malleable. Part of it in the open air is reddish-orange.

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