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Aluminum

Aluminum

Aluminum

(OP)
I'm in the process of designing a bolted aluminum connection.  I'm not that familiar with working with aluminum.  Is it ok to use the same formulas and priciples of bolted steel connections but use the values for aluminum instead?  Or is there a completly different set of equations for aluminum?

RE: Aluminum

No.  Search the forums for a recent thread on aluminum design and design manuals.

RE: Aluminum

You would be best served if you purchased The Aluminum Association's "Aluminum Design Manual".

RE: Aluminum

Aluminum is weaker when welded.

RE: Aluminum

generally Aluminium is weaker than Steel (not just when it's welded).

RE: Aluminum

I believe csd72 is making the point that aluminium when welded is weaker than if it is not welded (by up to 50 % if my memory is correct).

RE: Aluminum

Yes that is precisely what I meant.

Also tension capacity can often be less than compression.

 

RE: Aluminum

The Aluminum Design Manual covers all this and more, with factors, equations, etc.  Each alloy is different, each temper is different.  Heat affected zones are addressed.  Aluminum is not necessarily weaker - 6061-T6 has a yield strength nearly the same as A36 steel.  The modulus of elasticity is lower so it deflects more.  Aluminum design is fun!!!

RE: Aluminum

IFRs,

Yes but the reduction factors are greater giving a lower allowable stress than steel.



 

RE: Aluminum

(OP)
Thanks for the help, I ordered the design manual last night.   

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