Aluminum strengths

Discussion in 'Boat Design' started by tazmann, Jul 12, 2010.

  1. tazmann
    Joined: Aug 2005
    Posts: 329
    Likes: 17, Points: 18, Legacy Rep: 215
    Location: California

    tazmann Senior Member

    Hello All
    On a Frame member in steel it calls for 2" x 1/4" flat strip, in the plans to convert to aluminum it calls for 2-1/2" x 5/16" in a 5086 or 5083 grade.
    Now if I wanted to convert that to 5052 H32 and use a L shape.
    Yesterdaay I experimented a bit and sheard a 5" wide strip of 3/16" 5052 and broke an L shape at 3" , so the frame itself would be 3-3/16" tall with a 2-3/16" wide flange . Now my farm code engineering skills tell me the L shaped would be the strongest LOL but not sure there.
    Anyone know the actual strength differance there?
    Thanks
    Tom
     
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