This is why we are seeking some sort of reference or guidance that will tell us what we can and cannot do. I agree with you in that T-3 is a very rigid state and is not intended for bending, however it can be bent if the factors are known up front. T-4 is acceptable for me but we had a hard time getting past our stress engineer since he had already done an analysis using T-3 (Internal issues). Unfortunately, according to our heat treating vendors it can only be brought back to T-4 (this I do not understand) and warpage is an issue. Yes, this is an option that we have considered. : Re: Bending 2024-T3 aluminum tubing - randykimball Modified by randykimball at Wed, Jun 01, 2005, 23:36:37 The worst suggestion of your lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them. If this is for aircraft you will have to have it brought to the conditions by a certified HT shop that will be required to provide certifications to maintain with the material and product. To make it able to hold its shape again you must have the tube brought back to T-3 or T-4 condition without loosing the desired shape. This is the correct heat and condition (cheat)(after air cooling) to be able to form or bend the tube. Then with the oxgen turned on again slowly warm the tube until the black suiet just bearly goes away. One trick to getting it back to near condition "O" is to light an Ac/ox torch with the oxgen turned off and let the suiet blacken the tubing in the area you intend to bend. Loading it with sand or some other trick is a good idea before you bend it in condition O as it may fold up. You can make a pretzel out of it if you want to. Condition O (the letter capital O) is the way it comes out of the extrusion die. You will find it easy to form in condition O. Is it possible that you can bend it in condition "O" or T-1 and then HT it to T-3? A simple process. : Bending 2024-T3 aluminum tubing - chowlettĬonsider this, 2024-T3 is intended not to bend easily.
My question is this: Does anyone know if there is a bend chart available for this type of tubing? Something that will tell us what the minumum bend radius will be for 1.250 OD x. We have decided that the bend properties of this tubing is directly related to the ratio of the wall thickness to the OD of the tubing. 095 wall material can not be bent using a 3D radius to the centerline of the tube but 1.250 OD x. Our vendors are having a hard time bending this material up, as it keeps breaking. The material OD and wall thickness varies from one part to another. My company is attempting to have some 2024-T3 aluminum tubing parts bent.
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