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Aluminum Elongation for 3004 H22

Aluminum Elongation for 3004 H22

Aluminum Elongation for 3004 H22

(OP)
Hello,

We are looking at an application of subsequent forming of aluminum tubes, 3004 alloy, H22 temper.  Where can I find elongation data for this material?

The approx geometry will be about 6" diameter x .030 inches thick wall (before forming).  

If needed, can we anneal the part before forming to the O condition to provide better elongation for forming?  Or can we increase formability some other way?  

Thanks.  

RE: Aluminum Elongation for 3004 H22

How about using h32 as your reference? They are both 1/4 strain hardened. I have seen 10 or 17 prevents for elongation for h32.

RE: Aluminum Elongation for 3004 H22

Albigger,

How are the tubes being manufactured?  Is the raw material 0.030 inch thick 3004-H22 that is subsequently rolled into a tube shape?  Or something else?

ASTM B209 is the North American standard for Al sheet.  The requirement for elongation in a 2 inch gauge length specimen is 3% minimum for a thickness of 0.030 inch.

RE: Aluminum Elongation for 3004 H22

(OP)
Yes, they are being rolled and welded from coil.   

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