The use of two series of aluminum alloy 
 2011 screws and require a good cutting performance of machining 

 2014 applied to high strength and hardness (including high temperature) occasions. Heavy aircraft, forgings, plate and extrusion materials, wheels, and structural components, the multistage rocket's first stage fuel tank and spacecraft parts, truck frame and suspension parts 

 2017 is the first industrial applications of the 2XXX alloys, the current narrow range of applications, mainly for the rivets, general machinery parts, structure and conveyance structures, propellers and accessories 

 2024 aircraft structures, rivets, missile components, card wheel hub, propeller components and various other structures 

 2036 auto body sheet metal 

 2048 aviation and spacecraft structure parts and weapons structural components 

 2124 aviation and spacecraft structure 

 2218 aircraft engine and diesel engine piston aircraft engine cylinder head, the jet engine impellers and compressor ring 

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

 2319 welding pull the 2219 alloy electrode and solder fill 

 2618 forging and open die forgings. Piston aircraft engine parts 

 The 2A01 operating temperature less than or equal to 100 ° C the structure of rivets 

 2A02 operating temperature 200 ~ 300 ℃ of the turbojet engine axial compressor blades 

 2A06 aircraft structure of the airplane structure and the operating temperature of 150 ~ 250 ℃ working temperature of 125 ~ 250 ℃ rivets 

 2A10 intensity than the high of the 2A01 alloy for the manufacture of temperature less than or equal to 100 ℃ aircraft structural rivets 

 Moderate-intensity of 2A11 aircraft structural parts, propeller blade, means of transport and building structure. Aircraft, moderate-intensity bolts and rivets 

 2A12 aircraft skin, bulkheads, wing ribs, wing spars, rivets, construction and means of transport structure 

 2A14 complex shape of free forgings and forging 

 The 2A16 work temperature of 250 ~ 300 ℃ aerospace aircraft parts, welding work at room temperature and under high temperature containers with airtight cockpit 

 The 2A17 work temperature of 225 to 250 ℃ aircraft parts 

 2A50 complex shape of the medium-strength parts 

 2A60 aircraft engine compressor wheel inducer fan, impeller 

 2A70 aircraft skins, aircraft engine pistons, wind wheel, roulette, etc. 

 2A80 aircraft engine compressor blades, impellers, pistons, up, circle and other high temperature parts 

 2A90 aviation engine piston