(1) Excellent physical and chemical properties Pure copper has excellent electrical and thermal conductivity, and copper alloys have excellent electrical and thermal conductivity. Copper and copper alloys have high corrosion resistance to the atmosphere and water. Copper is a diamagnetic substance.
(2) Good processing performance, good plasticity, easy to cold and hot forming; cast copper alloy has good casting performance.
(3) It has some special mechanical properties such as excellent anti-friction and wear resistance (such as bronze and some brass), high elastic limit and fatigue limit (such as beryllium bronze, etc.).
(4) Beautiful color 2. (Red copper)
Pure copper is a rose-red metal, and the surface becomes purple after a copper oxide film is formed on the surface, so industrial pure copper is often called red copper or electrolytic copper. The density is 8-9g/cm² and the melting point is 1083°C. Pure copper has good electrical conductivity and is widely used in the manufacture of wires, cables, brushes, etc.; it has good thermal conductivity and is often used to manufacture magnetic instruments and meters that must be protected from magnetic interference, such as compasses and aviation instruments; it has excellent plasticity and is easy to heat Pressure and cold pressure processing can be made into copper materials such as tubes, rods, wires, strips, strips, plates, and foils. There are two types of pure copper products: smelted products and processed products. See Table 1 and Table 2, respectively.