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Different aluminium alloys can meet your requirements for this application, such as aluminium 7075. It is widely regarded as the go-to material because of its impressive strength-to-weight ratio, perfect for heavy loads. It also has a great corrosion resistance. But you might also consider aluminium 6061 since it has better machinability and weldability.

[Mechtechwizard]

Considering factors like weight, strength and corrosion resistance, which specific grade of aluminium is best suited for fuselage construction in aerospace engineering?

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[Attila Szucs]

Different aluminium alloys can meet your requirements for this application, such as aluminium 7075. It is widely regarded as the go-to material because of its impressive strength-to-weight ratio, perfect for heavy loads. It also has a great corrosion resistance. But you might also consider aluminium 6061 since it has better machinability and weldability.

• This reply was modified 1 year, 3 months ago by Attila Szucs.

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[Mechtechwizard]

What about aluminium alloy 6063?

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[Attila Szucs]

6063 aluminium alloy is indeed often used for fuselages and aircraft wings, and it provides the lightweight characteristics necessary for fuel efficiency. But the 6063 alloy has a considerably lower yield strength (241 MPa) compared to the 7075 alloy (503 MPa), and slightly less than 6061 (276 MPa).

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