Physical Properties of Copper Wire

Introduction to physical properties of copper wire:

Copper was named as cuprum by Romans because they used to get it from the island of Cyprus. Copper occurs in free as well as in combined state. Copper is extracted from the ore by two processes. One of the process is called the pyrometallergical process and the other is called hydro metallurgical process. In the pyrometallurgical process, we use the high-grade ores, which are rich in the copper content that means, which contains more than 4% of copper. It is the dry process. In the hydrometallurgical process, we use the low-grade ores, which contains less percentage of copper. It is called the wet process. Here we discuss about the physical and chemical properties of copper metal. I like to share this Units of Angular Momentum with you all through my article.


Physical and chemical properties of copper wire


Copper is a reddish coloured lustrous heavy metal whose relative density is 8.94. It melts at 1080°C and boils at 2325°C. It is highly malleable and ductile. Next to silver, it is the best conductor of heat and electricity. However, presence of traces of the other metals reduces the conductivity of copper. Molten metal absorbs sulphur dioxide, which it gives out on cooling. Copper is not affected by the dry air at room temperature but when it is exposed in the moist air having carbon dioxide, it is superficially coated with a green layer of basic carbonate. It is attacked by steam only at while light. Copper displaces less electropositive metals like silver, mercury, gold, and platinum from their salt solutions.

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Conclusion on copper wire


Copper is the second most useful metal because of its stability in air and water and excellent conductivity. It is used in the manufacturing of electrical wires, cables, for making of vacuum pans, heating utensils, calorimeters, for electroplating and electrotyping. It is used to make the coins and ornaments and the jewellery. It is used in the manufacturing of alloys like brass (Cu + Zn), bronze (Cu + Sn), german silver (Cu + Zn + Ni), bell metal (Cu + Sn), gunmetal (Cu + Sn + Zn), copper coins (Cu + Zn + Sn) etc.