What are the commonly used industrial aluminum models and uses?

model: 1 series: 1000 series contains more than 99.00% aluminum, has good electrical conductivity, good corrosion resistance, good welding performance, low strength, and cannot be strengthened by heat treatment. Application range: Mainly used in scientific experiment, chemical industry and special purpose. 2 series: 2000 series aluminum alloy containing copper as the main element. Manganese, magnesium, lead, and bismuth are also added for machinability. Disadvantages: The tendency of intergranular corrosion is serious. Applications: Aviation industry (2014 alloy), screws (2011 alloy) and industries with higher service temperatures (2017 alloy). 3 series: 3000 series uses manganese as the main alloy element, which has good corrosion resistance and good welding performance. Disadvantages: low strength, but can be strengthened by cold work hardening. It is easy to produce coarse grains during annealing. Application scope: seamless oil pipe (3003 alloy) and cans (3004 alloy) used on airplanes. Series 4: The 4000 series are mainly made of silicon, with high wear resistance, low thermal expansion coefficient, easy to cast, and low or high silicon content will affect performance. Application range: It is widely used in pistons and cylinders of motor vehicles. It is widely used in foreign countries, and the domestic level is still poor. 5 series: The 5000 series are mainly magnesium. Good resistance, good welding performance, good fatigue strength, no heat treatment strengthening, only cold working to increase the strength. Applications: Lawn mower handles, aircraft fuel tank ducts, body armor. 6 series: 6000 series are mainly magnesium and silicon. Medium strength, good corrosion resistance, good welding performance, good process performance, good oxidation and coloring performance. Application range: The most widely used alloys and energy transfer tools (such as: car luggage racks, doors, windows, car bodies, heat sinks, and box shells). 7 series: 7000 series are mainly zinc, but sometimes a small amount of magnesium and copper are added. 7005 and 7075 are the highest grades in the 7 series and can be strengthened by heat treatment. Application scope: aviation (plane's load-bearing components, landing gear), rockets, propellers, aviation spacecraft. Other series of eight series: 8000 series, the more commonly used aluminum alloy is 8011, which belongs to other series. Most of the applications are aluminum foil, and the production of aluminum rods is not commonly used. Nine series: 9000 series, aluminum alloy is a spare alloy. Aluminum profiles for construction: mainly include aluminum profiles for doors and windows and aluminum profiles for curtain walls. Guide for purchasing aluminum alloy doors and windows; radiator aluminum profile: mainly used for heat dissipation of various power and electronic equipment, LED lighting, heat dissipation of computer digital products, etc. : Mainly used in industrial production and manufacturing, such as automatic mechanical equipment, sealing skeletons, etc., each company customizes mold openings according to their own mechanical equipment requirements, such as assembly line conveyor belts, elevators, glue dispensing machines, testing equipment, shelves, etc., Electronic machinery industry and clean room, etc. Auto parts aluminum profiles: mainly used for auto parts, connectors, etc. 5. Furniture aluminum profiles: Mainly used for furniture decoration racks, table and chair brackets, etc. 6. Solar photovoltaic profile: including solar aluminum profile frame, solar photovoltaic bracket, solar photovoltaic tile buckle, etc. Aluminum alloy profiles for rail vehicle structures: Mainly used in the manufacture of rail vehicle bodies. Aluminum alloy profiles have the characteristics of light weight, good formability, high strength, corrosion resistance, recyclability, etc., and they are more and more widely used in the field of rail vehicles. Install aluminum profiles: make aluminum alloy frames, install various exhibitions and decorative paintings. 9. Aluminum profiles for medical equipment: stretchers, medical equipment, medical beds, etc. Hardness First of all, the hardness is directly related to the chemical composition of the alloy. Secondly, different conditions also have a great impact. 7 lines, 2 lines, 4 lines, 5 lines, 3 lines, and 1 line descend sequentially. The strength of pure aluminum is the lowest, and the strength of heat-treated alloys of 2, 7 is the highest, and the hardness is positively correlated with the strength. Corrosion resistance Generally speaking, pure aluminum of the 1 series has the best corrosion resistance, and the 5 series is the best, followed by the teaching differences between the non-bending series and the 6 series, 2 series and 7 series. The choice of corrosion resistance should be determined according to its application. In principle, when using high-strength alloys in a corrosive environment, a variety of corrosion-resistant composite materials must be selected. The cutting performance of aluminum alloy is closely related to the composition of the alloy. Generally, high-strength aluminum alloys have better cutting performance, while low-strength aluminum alloys have poorer cutting performance. For molds, receiving parts and other products that need to be processed, the machinability of aluminum alloy is an important consideration. Welding performance The welding of most aluminum alloys is no problem, especially some 5 series industrial aluminum profile materials designed for welding. Some 2 series and 7 series aluminum alloys are difficult to weld.
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