2011: Cutting screws and require good mechanical processing products;

2014: Applications requiring high strength and hardness (including temperature) of the occasion. Heavy aircraft, forgings, plate and extrusion materials, wheels and structural elements, multistage rocket first stage fuel tank and spacecraft parts, truck frame and suspension system components;

2017: It is the first industrial application of the 2XXX alloys, the current narrow range of applications, mainly for rivets, general machinery parts, construction and transportation structures, propeller and accessories;

2024: Aircraft structures, rivets, missile components, the card wheel hub, propeller components and various other structures;

2036: Auto body sheet metal;

2048: Aerospace vehicle structures and structural components of weapons;

2124: Aerospace vehicle structures;

2218: Aircraft piston engines and diesel engines, aircraft engine cylinder head, jet engine and compressor impeller ring;

2219: Space rocket oxidizer tank welding, supersonic aircraft skin and structure parts, operating temperature of -270 to 300 degrees Celsius. Good weld ability, high fracture toughness, T8 state has a high resistance to stress corrosion cracking;

2319: 2219 alloy welding rod pulls and filled with solder;

2618: Die forgings and forgings. Aviation piston engines and parts;

2A01: Operating temperature less than or equal structural rivets 100 degrees Celsius;

2A02: Working temperature of 200 to 300 degrees Celsius turbojet axial compressor blades;

2A06: Working temperature of 150 to 250 degrees Celsius aircraft structures and operating temperature of 125 to 250 degrees Celsius rivet aircraft structure;

2A10: Strength of the alloy is higher than 2A01, for the manufacture of temperature less than or equal to 100 degrees Celsius rivet aircraft structure;

2A11: Structure of moderate-intensity aircraft, propeller blades, means of transport and building structures. Moderate-intensity aircraft bolts and rivets;

2A12 Aircraft skins, bulkheads, wing ribs, spars, rivets, building structures and means of transport;

2A14: Complex shape forgings and die forgings;

2A16: Working temperature of 250 to 300 degrees Celsius aerospace aircraft parts, work at room temperature and high temperature soldering airtight container and cockpit;

2A17: Working temperature of 225 to 250 ° C at the end of aircraft parts;

2A50: Moderate parts of complex shape;

2A60: Aircraft engine compressor wheel, wind wheel, fan impeller;

2A70: Aircraft skin, piston aircraft engines, wind wheel, roulette, etc;

2A80: Aero-engine compressor blades, impellers, piston, rings, and other parts of the high operating temperature;

2A90: Aero-engine piston