Aluminum alloy 1050 extrusion coil is typically used in food, chemical and brewing industries. Various hoses and fireworks powder 1060 require high corrosion resistance and formability, but the strength is not high. Chemical equipment is its typical use. 1 100 is used to process parts that require good formability and high corrosion resistance but do not require high strength. For example: chemical products, food industry devices and storage containers, plate processing parts, deep-drawn or spinning concave containers, welding parts, heat exchangers, printed boards, nameplates, reflective devices 1 145 packaging and insulating aluminum foil, heat exchangers 1 199 electrolytic capacitor foil, optical reflective deposition film/. Transformer belt 20 1 1 screws and machined aircraft heavy-duty, forgings, thick plates and extrusions, wheels and structural parts, first-class fuel tank and spacecraft parts of multistage rockets, truck frame and suspension system parts 20 17 are the first batch of 2XXX series alloys applied in industry. At present, the application scope is relatively narrow, mainly rivets, general mechanical parts, structures and transportation structural parts. Propeller and accessories 2024 Aircraft structure, rivets, missile parts, truck hub, propeller parts and other structural parts 2036 Automobile body sheet metal parts 2048 Aerospace structural parts and weapon structural parts 2 124 Aerospace structural parts 22 18 Aircraft engine and diesel engine piston, aircraft engine cylinder head, jet engine impeller and compressor ring 22 19 Aerospace rocket welding oxidant storage. Good weldability, high fracture toughness and high stress corrosion cracking resistance in T8 state. 23 19 welded and drawn covered electrode alloy 22 19 and filled solder 26 18 die forgings and free forgings. Piston and aero-engine parts 2a0 with working temperature less than or equal to 100℃/structural rivet 2A02 with working temperature 150~250℃ and axial compressor blade 2A06 with working temperature 125~250℃ with aircraft structural rivet 2A65438. The strength of +00 is higher than that of 2A0 1 alloy, and it is used to manufacture aircraft structural rivets 2A 1 1 aircraft medium strength structural parts, propeller blades, transport vehicles and building structural parts with working temperature less than or equal to 100℃. 2A 12 Medium strength bolts and rivets for aircraft skin, frame, ribs, spars, rivets, etc. , structural parts 2A 14 for construction and transportation, free forgings and die forgings 2A 16, aerospace parts working at 250~300℃, welded containers and airtight cabins 2A 17, aircraft parts 2A50 and 2A60 with complicated shapes and moderate strength, compressor impeller, guide wheel and A60 for aircraft engines. Aircraft engine piston, guide vane, disk and other parts with high working temperature, such as compressor blade, impeller, piston and expansion ring, are used to process parts and components that require good formability, high corrosion resistance and good weldability, or both these properties and higher strength than 1XXX alloy. Such as kitchen utensils, processing and storage devices for food and chemical products, tanks and cans for transporting liquid products, all-aluminum tanks for various pressure vessels and pipelines processed with sheet metal, and other parts with higher strength than 3003 alloy, production and storage devices for chemical products, sheet processed parts, building processed parts, building tools, and various lamp parts, such as 3 105 room partitions, baffles, movable roof boards, etc. Building materials are similar to 5005 and 3003 alloys of industrial equipment such as food, with medium strength and good corrosion resistance. Used as conductor, cooker, dashboard, shell and architectural decoration. The anodic oxide film is brighter than the oxide film on 3003 alloy, which is in harmony with the color of 6063 alloy. 5050 sheet can be used as the inner lining of refrigerators and freezers, automobile air pipes, oil pipes and agricultural irrigation pipes. It can also process 5052 thick plates, pipes, bars, special-shaped materials and wires. This alloy has good formability, corrosion resistance, candle resistance, fatigue strength and moderate static strength, and is used to manufacture 5056 magnesium alloy and cable sheath rivets, zippers, nails, etc. Used for aircraft fuel tanks and oil pipes, as well as sheet metal parts, instruments, street lamp brackets and rivets, hardware products, etc. of traffic vehicles and ships. Aluminum-clad wire is widely used to process the outer cover of agricultural insect traps and other occasions where high corrosion resistance is needed. 5083 is used in occasions that need high corrosion resistance, good weldability and medium strength, such as welding parts of ships, automobiles and aircraft plates; Pressure vessel, refrigeration device, TV tower, drilling equipment, transportation equipment, missile parts, armor, etc. 5086, which needs strict fire protection, is used in places that need high corrosion resistance, good weldability and medium strength. For example, 5 154 ships, automobiles, airplanes, cryogenic equipment, TV towers, drilling rigs, transport equipment, missile parts and welded structures such as decks, storage tanks, pressure vessels, ship structures and offshore facilities, transport tanks 5 182 thin plates are used for processing cans, and 5252 automobile body plates, steering wheels, reinforcements, brackets and other parts are used. After anodic oxidation, there are bright and transparent oxide film 5254, containers for chemical products such as hydrogen peroxide 5356, aluminum-magnesium alloy covered electrode with magnesium content greater than 3% and welding structure with welding wire 5454, pressure vessel, steel plate for offshore facilities pipeline 5456, high-strength welding structure, storage tank, pressure vessel, Ship material 5457 Polished Anodized decoration for automobiles and other equipment 5652 Hydrogen peroxide and other chemical product storage containers 5657 Polished Anodized decoration for automobiles and other equipment However, in any case, it is necessary to ensure that the material has a fine grain structure, which can be used to replace 5A02 alloy 5A05 welded structural parts, 5A06 aircraft skin skeleton welded structural parts, cold die forgings and welded container stress parts. Aircraft skin bone parts 5A 12 welded structural parts, bulletproof deck 6005 extruded profiles and pipes are used for structural parts with strength and height greater than 6063 alloy, such as ladders, TV antennas and other 6009 automobile body parts 60 10 plates: automobile body 606 1 requires various industrial structures to have certain strength, weldability and corrosion resistance. Such as pipes, rods, profiles and plates used for manufacturing trucks, tower buildings, ships, trams, furniture, mechanical parts and precision machining. Irrigation pipes and extrusion materials for vehicles, benches, furniture, fences, etc. 6066 Forging and Welding Structure Extrusion Material 6070 Extrusion Material and Pipe for Heavy-duty Welding Structure and Automobile Industry 6 10 1 High-strength Bar, Electrical Conductor and Cooling Equipment for Automobile 15 1 Used for die forging crankshaft parts. The supplied machine parts and rolling rings require good ductility and high strength, and 620 1 high-strength conductive rods and 6205 thick plates of wires are also needed. Pedals and high-impact extrusion 6262 have good corrosion resistance. The corrosion resistance is better than that of 20 1 1 and 20 17 alloy threaded high-stress parts 635 1 vehicle extruded structural parts. After anodic oxidation treatment, 6463 pipes for water and oil, profiles of buildings and various appliances, and 6A02 aircraft engine parts for automobile decoration have bright surfaces, and 7005 forgings and die forgings with complex shapes are extrusion materials, which are used to manufacture welded structures with high strength and fracture toughness, such as trusses, bars and containers of transport vehicles. Large heat exchangers, and parts that cannot be solid-solution treated after welding; It can also be used to manufacture sports equipment, such as tennis rackets and softball bats, 7039 frozen containers, cryogenic equipment and storage boxes, fire-fighting pressure equipment, military equipment, armor plates and missile devices. 7049 can be used to forge parts with the same static strength and high stress corrosion cracking resistance as 7079-T6 alloy, such as aircraft and missile parts-landing gear hydraulic cylinder and extrusion parts. The fatigue performance of the parts is almost the same as that of 7075-T6 alloy, while the 7050 aircraft structural parts with higher toughness are made of plate, extrusion, free forgings and die forgings. The alloy requirements for manufacturing this kind of parts are: high spalling corrosion resistance, stress corrosion cracking ability, fracture toughness and fatigue resistance, 7072 air conditioning aluminum foil and ultra-thin strip; Cladding layers of 22 19, 3003, 3004, 5050, 5052, 5 154, 606 1, 7075, 7475, 7 178 alloy plates and pipes are used to manufacture aircraft structures and futures. He requires high strength and corrosion resistance. T736 material has good comprehensive properties, namely, high strength, spalling corrosion resistance, stress corrosion cracking resistance, fracture toughness and fatigue strength. 7 178 is used to manufacture aluminum clad plates, wing frames and stringers. This requires aerospace vehicles to have high compressive yield strength. Other parts with high strength and fracture toughness 7A04 aircraft skin, screws, and stress components such as girders, frames, ribs, landing gear, etc.