Aluminum extrusion profile features: 1. Corrosion resistance The density of aluminum is only 2.7g / cm3, about 1/3 of the density of steel, copper or brass (7.83 g / cm3, 8.93 g / cm3, respectively). In most environmental conditions, including in the air, water (or salt water), petrochemical and many chemical systems, aluminum can show excellent corrosion resistance. 2. Conductivity Aluminum is often used because of its excellent conductivity. On the basis of equal weight, the electrical conductivity of aluminum is nearly twice that of copper. 3. Thermal conductivity rate The thermal conductivity of aluminum alloys is about 50-60% of copper, which is beneficial for the manufacture of heat exchangers, evaporators, heating appliances, cooking utensils, and car cylinder heads and radiators. 4. Non - ferromagnetic Aluminum is non-ferromagnetic, which is an important feature for the electrical industry and the electronics industry. Aluminum is not self-igniting, which is important for applications involving handling or contact with flammable and explosive materials. 5. Machinability The machinability of the aluminum profile is excellent. Among the various deformable aluminum alloys and cast aluminum alloys, and in the various states that have been produced in these alloys, the machinability of the composites varies considerably, requiring special machine tools or techniques. 6. Formability Specific tensile strength, yield strength, ductility and the corresponding work hardening rate dominate the change in allowable deformation. 7. Recycling Aluminum has a very high recovery, the characteristics of recycled aluminum and native aluminum is almost no difference.
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