Important factors for industrial aluminum selection

by:Zeyi     2021-10-06
The selection of industrial aluminum profile profiles mainly focuses on the following factors: Hardness: Many customers are very concerned when buying aluminum. The first choice of hardness is directly related to the chemical composition of the alloy. Secondly, different conditions also have a greater impact. From the point of view of the highest hardness that can be achieved, the 7 series, the 2 series, the 4 series, the 6 series, the 5 series, the 3 series, and the 1 series decrease in order. Strength: Strength is an important factor that must be considered during product design. When it is made of aluminum alloy components as components, the 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 degree. The hardness and strength have a certain relationship. Corrosion resistance: Corrosion resistance includes chemical corrosion, stress corrosion resistance and other properties. 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. For high-strength alloys to be used in a corrosive environment, various anti-corrosion composite materials must be used. Machinability: Machinability includes insert forming performance and cutting performance. Because formability is related to state, after selecting aluminum alloy grades, 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 formability of the material in the annealed state is the best, on the contrary, the formability of the material in the heat-treated state is the worst. Aluminum alloy has poor machinability and better machinability for molds and mechanical parts. On the contrary, low-strength ones have poor machinability. For products that require cutting, such as molds and mechanical parts, the machinability of aluminum alloy is important. Consider inso. Weldability: There is no problem with the weldability of most aluminum alloys, 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. Decorative performance: When aluminum is used for decoration or certain special occasions, its surface needs to be processed by anodizing and painting to obtain the corresponding color and surface structure. At this time, its decorative properties should be considered mainly,-general In terms of materials with better corrosion resistance, their anodic treatment performance, surface treatment performance, and coating performance are very good. The above are the important factors related to the selection of industrial aluminum profile materials. If you want to know more, please pay attention to the official website! The source of this article: edited and reproduced, be sure to indicate the source.
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