The main application areas of aluminum alloy

First. Introduction of aluminum alloy

Aluminum-based alloys The main alloying elements are copper, silicon, magnesium, zinc, manganese, and the minor alloying elements are nickel, iron, titanium, chromium, lithium and so on. Aluminum alloy is the most widely used non-ferrous structural materials in the industry, and has been widely used in aviation, aerospace, automotive, machinery manufacturing, shipbuilding and chemical industries. Aluminum alloy density is low, but the strength is relatively high, close to or more than high-quality steel, good plasticity, can be processed into various profiles, with excellent electrical conductivity, thermal conductivity and corrosion resistance, widely used in industry, the use of second only to steel.

Second. The classification of aluminum alloy

Aluminum alloy according to its properties and applications can be divided into ordinary aluminum alloy, ultra-high strength aluminum alloy, heat-resistant aluminum alloy, aluminum matrix composite materials. Its application fields have different focuses, covering all application fields of aluminum alloy.

Third, the application of aluminum alloy

1. Typical use

1050 Extruded coils for the food, chemical and brewing industries, various hoses, fireworks powder

1060 requires corrosion resistance and formability are high occasions, but the strength requirements are not high, chemical equipment is its typical use

1100 is used for processing parts that require good formability and high corrosion resistance but do not require high strength, such as chemical products, food industry equipment and storage containers, sheet workpieces, deep drawing or spinning concave utensils, welding parts, heat exchangers, printing plates, nameplates, reflective devices

1145 Packaging and insulation aluminum foil, heat exchanger

1199 electrolytic capacitor foil, optical reflective deposition film

1350 wire, conductor strand, busbar, transformer strip

2011 Screws and machined products requiring good machinability

2014 For applications requiring high strength and hardness (including high temperature). Aircraft heavy duty, forgings, slabs and extrusions, wheels and structural components, multistage rocket first stage fuel tanks and spacecraft parts, truck frames and suspension parts

2017 is the first 2XXX series alloy to obtain industrial applications, and the current application range is narrow, mainly for rivets, general mechanical parts, structural and transport vehicle structural parts, propellers and accessories

2024 Aircraft structures, rivets, missile components, truck wheels, propeller components and various other structural components

2036 Auto body sheet metal parts

2048 Aerospace structural parts and weapons structural parts

2124 aerospace spacecraft structural components

2218 Aircraft engine and diesel engine pistons, aircraft engine cylinder heads, jet engine impellers and compressor rings

2219 Space rocket welding oxidizer tank, supersonic aircraft skin and structural parts, working temperature of -270~300℃. Good weldability, high fracture toughness, T8 state has a high resistance to stress corrosion cracking

2319 Weld 2219 alloy electrode and filler solder

2618 Die forging and free forging. Piston and aeroengine parts

2A01 Structural rivet with operating temperature less than or equal to 100℃

2A02 Axial compressor blade of turbojet engine with operating temperature of 200~300℃

2A06 Aircraft structure with working temperature 150~250℃ and aircraft structure rivets with working temperature 125~250℃

2A10 is stronger than 2A01 alloy and is used to manufacture aircraft structure rivets at operating temperatures of less than or equal to 100 ° C

2A11 aircraft of medium strength structural parts, propeller blades, transport vehicles and building structural parts. Medium strength bolts and rivets for aircraft

2A12 Aircraft skin, spacer frame, wing ribs, wing SPAR, rivets, etc., structural parts of construction and transportation vehicles

2A14 Free forgings and die forgings with complex shapes

2A16 Space aircraft parts with operating temperature of 250~300℃, welded containers and airtight cabins operating at room temperature and high temperature

2A17 Aircraft parts with operating temperature of 225~250℃

2A50 Medium strength parts with complex shapes

2A60 aircraft engine compressor wheel, air guide wheel, fan, impeller, etc

2A70 aircraft skin, aircraft engine piston, wind guide wheel, wheel, etc

2A80 aero engine compressor blade, impeller, piston, ring and other parts with high operating temperature

2A90 aeroengine piston

3003 is used for processing parts that need to have good formability, high corrosion resistance and good weldability, or require these properties and need to have higher strength than 1XXX series alloy, such as kitchenware, food and chemical products processing and storage devices, tanks and tanks for transporting liquid products, various pressure vessels and pipelines processed with sheet metal

3004 All-aluminum can body requires parts with higher strength than 3003 alloy, chemical product production and storage devices, sheet workpiece, building workpiece, building tools, various lighting parts

3105 Room partition, baffle plate, movable room plate, gutter and downspout, sheet forming workpiece, bottle cap, bottle stopper, etc

3A21 aircraft fuel tank, oil conduit, rivet wire, etc. Building materials and food and other industrial equipment

5005 is similar to 3003 alloys with moderate strength and good corrosion resistance. Used as conductor, cooker, instrument panel, shell and architectural decoration. The anodized film is brighter than the oxide film on alloy 3003 and harmonizes with the hue of alloy 6063

5050 sheet can be used as the lining plate of refrigerator and refrigerator, automobile gas pipe, oil pipe and agricultural irrigation pipe; It can also process thick plate, pipe, bar, shaped material and wire

5052 This alloy has good formability, corrosion resistance, candleability, fatigue strength and moderate static strength, used in the manufacture of aircraft fuel tanks, oil pipes, and traffic vehicles, ships of sheet metal parts, instruments, street lamp brackets and rivets, hardware products

5056 magnesium alloy and cable sheath rivets, zippers, nails, etc. Aluminum-coated wire is widely used in the processing of agricultural trap covers and other applications where high corrosion resistance is required

5083 for applications requiring high corrosion resistance, good weldability and moderate strength, such as ship, automobile and aircraft plate welds; Pressure vessels, refrigeration devices, TV towers, drilling equipment, transportation equipment, missile components, armor and so on.

The 5086 is used in applications requiring high corrosion resistance, good weldability and moderate strength, such as ships, automobiles, aircraft, cryogenic equipment, TV towers, drilling units, transportation equipment, missile parts and decks

5154 Welded structures, storage tanks, pressure vessels, ship structures and offshore installations, transport tanks

5182 sheet is used for processing can covers, car body plates, control plates, reinforcing parts, brackets and other parts

5252 is used to manufacture decorative parts with higher strength, such as decorative parts of automobiles. It has a bright and transparent oxide film after anodizing

5254 Containers for hydrogen peroxide and other chemical products

5356 Welding of aluminum-magnesium alloy rods and wires with a magnesium content greater than 3%

5454 Welded structures, pressure vessels, pipelines for Marine facilities

5456 armor plate, high strength welded structure, storage tank, pressure vessel, ship material

5457 Polished and anodized decorative parts for automobiles and other equipment

5652 Storage containers for hydrogen peroxide and other chemical products

5657 Polished and anodized decorative parts of automobiles and other equipment, but in all cases must ensure that the material has a fine grain structure

5A02 Aircraft fuel tank and conduit, welding wire, rivets, Marine structural parts

5A03 Medium strength welded structures, cold stamping parts, welded containers, welding wires, can be used in place of 5A02 alloy

5A05 Welded structural parts, aircraft skin skeleton

5A06 Welding structure, cold die forging parts, welding and drawing container force parts, aircraft skin and bone parts

5A12 Welded structural parts, bulletproof deck

6005 Extruded profiles and pipes are used for structural parts that require strength greater than 6063 alloys, such as ladders, TV antennas, etc

6009 Car body plate

6010 Sheet: auto body

6061 requires a certain strength, weldability and high corrosion resistance of a variety of industrial structures, such as manufacturing trucks, tower buildings, ships, trams, fixtures, mechanical parts, precision processing of the pipe, rod, shaped material, plate

6066 Forging and welding extrusion materials

6070 Heavy duty welded structures and extruded materials and pipes for the automotive industry

High strength bars, electrical conductors and heat dissipation equipment for 6101 buses

6151 is used for forging crankshaft parts, machine parts and production rolled rings, which require good forgability, high strength and good corrosion resistance

6201 High strength conductive bar and wire

6205 Thick plates, pedals and high impact extrusions

6262 requires threaded high-stress parts with better corrosion resistance than 2011 and 2017 alloys

6351 extrusion structural parts of vehicles, water, oil and other pipelines

6463 Building and various appliance profiles, as well as automotive trim with bright surfaces after anodizing

6A02 Aircraft engine parts, forgings and die forgings with complex shapes

7005 extrusion materials for the manufacture of welded structures with both high strength and high fracture toughness, such as trusses, rods, and containers for transportation vehicles; Large heat exchangers, and parts that cannot be soldered after welding; It is also used in the manufacture of sports equipment such as tennis rackets and softball bats

7039 Freezing containers, cryogenic instruments and storage boxes, fire pressure equipment, military equipment, armor plates, missile devices

7049 is used to forge parts with the same static strength as 7079-T6 alloys that require high stress corrosion cracking resistance, such as aircraft and missile parts – landing gear hydraulic cylinders and extrusions. The fatigue performance of the parts is roughly equal to that of 7075-T6 alloy, and the toughness is slightly higher

7050 Aircraft structural parts for medium and thick plates, extruded parts, free forging and die forging. The requirements of alloys for the manufacture of such parts are: high resistance to spalling corrosion, stress corrosion cracking, fracture toughness and fatigue resistance

7072 air conditioner aluminum foil and ultra-thin strip; 2219, 3003, 3004, 5050, 5052, 5154, 6061, 7075, 7475, 7178 alloy sheet and pipe coating

7075 is used to manufacture aircraft structures and futures. It requires high-stress structural parts and mold manufacturing with high strength and strong corrosion resistance

7175 is used for forging high-strength structures for aircraft. T736 material has good comprehensive properties, that is, high strength, anti-spalling corrosion and anti-stress corrosion cracking, fracture toughness and fatigue strength

7178 for the manufacture of aerospace components requiring high compressive yield strength

7475 aluminized and unaluminized panels for fuselage, wing skeleton, stringer, etc. Other parts that must have both high strength and high fracture toughness

7A04 aircraft skin, screws, and stress components such as girder stringer, spacer frame, wing rib, landing gear, etc