joining square tube

by Scott
(Colorado)

Hello, I have a job of making an arch for the front of a building. It is 24' 6" long. I will run it through the ring roller to get the arch correct. The steel is 1" square tube; only comes in 24' lengths. That means I will have to add 6" to it. My question is where do I add the 6"? It seems logical to just add it on the end. How should I add it? Do I sleeve it with another of smaller tube or do I just butt weld it and grind it smooth. If I sleeve it will it bend the same way in the ring roller.
Any ideas would help.
Thanks,
Scott

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I think if it were me, I would add the 6" piece on the end and just butt weld it.

If it were bigger and a structural member, an inside sleeve might be smart but since it is only 1" sq tubing, it cant be holding much.

butt welding and blending should allow for your ring roller to make it look good.

thats my 2 cents anyway, anyone else want to add to this?

jc