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      The structure of airplanes in the world is mainly aluminum alloys with high strength 2 systems (2024, 2017, 2A12, etc.) and ultra-high strength 7 systems (7075, 7475, 7050, 7A04, etc.), and some 5 (5A06, 5052, 5086, etc.) and 6 (6061, 6082, etc.) and a small number of other lines of aluminum. We provide a full range of aluminum alloy products for aerospace industry.


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     Wing surface, wing face long truss, wing beam upper and lower edge strip, web board, fuselage truss, seat slide rail, keel beam, side frame, fuselage skin, lower body wall plate, main floor truss, etc.




各系铝合金在航空飞机中应用的具体部位:


合金系列

典型合金

合金状态

典型应用

2XXX

2A11

T4、T6、T351

航空航天器结构件、蒙皮、普通框、前压力框腹板、起落架架仓加强件、舱门框垫板、下长桁、机翼前

后梁、地板梁与支柱、座椅滑轨、气密地板

2A12

O、T3、T4、T351、H112

2A14

T4、T6、T351

2014

O、T3、T4、T351、H112

2017

O、T3、T4、T351、H112

2024

O、T3、T4、T6、T351、T861、T3511、T8611

5XXX

5052

O、H24、H32、H34、H112

飞机扰流板芯子、锻造坯料结构件、油箱

5086

O、H12、H24、H32、H34、H112

5A06

H1112

6XXX

6061

O、T4、T6、T651

飞机焊接件、零配件

6082

O、T4、T6、T651

7XXX

7050

O、T6、T651、T7451

长桁、起落架架仓壁板、舱门框、外筒、上撑杆、防扭壁、锁连杆、上蒙皮、机翼后梁内段、主起支撑接头、旅客观察窗框、前后梁加强框、龙骨梁缘

条、龙骨梁腹板、地板转折梁

7075

O、T6、T651、

7A04

T6、T651、

7A09

T6、T651、



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Aluminum alloy is the first choice for lightweight aircraft and spacecraft. Aluminum is widely used in aerospace industry. At present, the dosage of aluminum in civil aircraft structure is 70% to 80%, and the dosage in the structure of military aircraft is 40% to 60%. On the latest B777 aircraft, aluminum alloy also accounts for more than 70% of the body's structural quality.

Aluminum is mainly used for fuel tank and combustion supporting box on rocket and spacecraft. The fuel tank of Saturn II (Saturn S- II) rocket is made of 2219 alloy. 2219 not only is a heat resistant alloy, its low temperature performance (including toughness of welded joints) also increases with decreasing temperature. At present, we are equipped with 8 marine patrol aircraft, 7 passenger planes, 12 multi purpose aircraft and so on.