Aluminum alloy has low density, high strength, good plasticity, and can be processed into various profiles. It is widely used in life, military, science and technology. There are many types of aluminum alloy grades and countless specifications. How about when buying aluminum alloy To choose the right aluminum alloy sheet, you need to start from your own product needs, choose the performance that suits your own product, make a reasonable selection of materials, and reasonably control the cost under the premise of ensuring the performance. Consider from the aspects of hardness, strength, corrosion resistance, workability, weldability, etc.
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Hardness:
Many customers are very concerned about the hardness when buying aluminum. The hardness is directly related to the chemical composition of the aluminum alloy. In fact, different conditions also have a greater impact. Judging from the highest hardness that can be achieved, the 7 series, 2 series, 6 series, 5 series, 3 series, and 1 series decrease in order.
Strength:
Strength is an important factor that must be considered when designing a product, especially when aluminum alloy is used as a structural part, an appropriate alloy should be selected according to the pressure it bears. Pure aluminum has the lowest strength, while the 2 series and 7 series heat-treated alloys have the highest strength. There is a certain positive relationship between hardness and strength.
Corrosion resistance:
Corrosion resistance includes properties such as chemical corrosion resistance, electrochemical corrosion resistance, and stress corrosion resistance. Generally speaking, pure aluminum of series 1 has the best corrosion resistance, series 5 performs well, followed by series 3 and 6, and series 2 and 7 are inferior. The selection principle of corrosion resistance should be determined according to its use occasion. High-strength alloys are used in corrosive environments, and various anti-corrosion composite materials must be used.
Processing performance:
Machining performance includes line performance and cutting performance. Because the formability is related to the state, after selecting the aluminum alloy grade, the strength range of various states must be considered. Generally, high-strength materials are not easy to form. If the aluminum material is to be formed by bending, stretching, deep drawing, etc., the fully annealed state is the best. On the contrary, the formability of the heat-treated material is the worst. The cutting performance of aluminum alloys has a great relationship with the alloy composition. Generally, aluminum alloys with higher strength have better machinability, and vice versa. For products that require cutting, such as molds and mechanical parts, the machinability of aluminum alloys is an important consideration.
Welding performance:
Most aluminum alloys can be welded without problems, especially some 5 series aluminum alloys, which are specially designed for welding considerations. Relatively speaking, some 2 series and 7 series aluminum alloys are more difficult to weld.
Henan Mingtai Aluminum Company's products cover 8 series of specifications including 1 series, 2 series, 3 series, 4 series, 5 series, 6 series, 7 series and 8 series aluminum alloys. The main products are CTP/PS version base and electrolytic capacitors. Use aluminum foil, single zero foil, double zero foil blanks, electronic foils, alloy materials, deep drawing materials, brazing plates, and medium-thick plates. Mingtai Aluminum Factory direct sales, professional customized products, if required.