[TowerTalk] Grading of Aluminum

[Bill Coleman AA4LR]

On 5/11/00 6:32 PM, K0FF at K0FF@ARRL.NET wrote:

>Airplanes are made of a sandwich of 6061-T6 inside of very thin sheets of
>pure aluminum. The 6061 gives it it's great strength, and the pure aluminum
>coating keeps the corrosion away. The sandwich is squeezed together
>mechanically to for a single piece of metal, and is what they refer to as
>Dur-Al.

Classic Duraluminum is not 6061 or 6063. It's 2024-T# (a different alloy) 
coated with pure aluminum. But you can get Alclad based on 2024, 6061, or 
7075. 7075 has the best strength to weight ratio, so it is used a lot for 
aerospace applications.




Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr@radio.org
Quote: "Boot, you transistorized tormentor! Boot!"
            -- Archibald Asparagus, VeggieTales


--
FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm