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Old 06-24-2012, 06:52 PM   #15
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24S-T is the alloy number used before the 4 letter designation 2024-T3 used today. It is not a weldable alloy and will crack on either side of the weld.
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Old 06-25-2012, 11:05 AM   #16
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Thats what I was afraid of. Has any one used HTS 2000? I watched the youtube video and it is pretty cool stuff. they brazed a 1/2"hole in a soda can.
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Old 06-25-2012, 11:46 AM   #17
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Teched,
I have been hesitant to post on this subject most claim 2024 T-3 can't be welded.
Most of the aircraft engine cowlings and engine nacelles were "welded" during WWII. Some call it welding, some refer to the process as brazing. Over the last 70 years this has become a lost art.
There is a company trying to retain/relearn the skills of old.TM Tech. The owner is Kent White every year he holds seminars at the annual EAA Airventure.
Go to TM Tech's web site and look around. On the web site there is a section where you can ask Kent a question, send him your pics and info. It my take a day or so before he can get you a response but he will be patient.
As far as I know he is the go to guy, he can tell you how to weld your piece, he can also tell you how to make a new section. I have seen this guy take a CRUSHED aircraft spinner and in a hour or so the spinner was ready for polish or paint. He even teaches classes at his shop on metal shaping.
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Old 06-25-2012, 12:34 PM   #18
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There are several aluminum alloys that can be welded successfully but 2024 or 24S along with 7075 are not one of these. The alloys that can be welded are 6000, 5000, and 3000 series.
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Old 06-25-2012, 03:39 PM   #19
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Also Alumiweld, not sure what it is but I think its just another brazing material.
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Old 10-08-2013, 10:48 PM   #20
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soldering might be easier than welding but it would be a noticeable repair
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