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Old 03-23-2010, 07:28 PM
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Default 4043 or 1100??

Hey guys I made a little gas tank for a 52 chevy truck the other day I tacked it up with 4043 should I weld it with 4043 or 1100????
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Old 03-23-2010, 08:11 PM
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4043 should be fine for that.. usually the 1100 rod adds in the forming process (it doesn't crack as easy when you bend it/ wheel it)
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Old 03-23-2010, 08:15 PM
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Thanks Ron
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Old 03-24-2010, 01:48 AM
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I agree there. I'd use 1100 rod all the time if I could buy the crap here though. Nothing but 4043 at both welding houses and to order it requires a large quantity. I guess maybe I'll start buying it online though I hate to.
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Old 03-24-2010, 08:24 AM
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I hesitate to answer the question because I'm not really an aluminum welder of any skill.

That said, I'm building the roadster with 1100 rod. It shapes (hammer, wheel, shrink, etc) after welding perfectly. When I tried the same thing with the 4300 rod, it cracked.

We did use 4300 on my gas tanks but they are not shaped after welding and the extra strenght is certainly a plus. I'm not keen on a weld failing on something filled with a flammable liquid 6" from my back.
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Old 03-24-2010, 10:22 AM
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Default electric fence wire

I took a piece of electric fence wire to Sun-n-Fun last year for George to try with his gas welding workshop in our tent. I was curious as to whether it was similar or the same as 1100. I have had no succcess in finding a welding supply dealer that had 1100 rod. George welded with it and it seemed to have 1100 characteristics. I just happened to have a roll of it that I can use. I find the wire imbedded nylon electric fence wire more appropriate for keeping the raccoons out of my peaches and apples.
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Old 03-24-2010, 12:25 PM
cwilliamrose cwilliamrose is offline
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Quote:
Originally Posted by mr.c View Post
I have had no succcess in finding a welding supply dealer that had 1100 rod.

http://www.fournierenterprises.com/cart/product.php?productid=16182&cat=8&page=1
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Old 03-24-2010, 01:57 PM
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Thanks for that link, Bill. If I wanted to mail order, Fournier is certainly worthy of my support. The problem is that the shipping is sometimes more expensive than the item. I am going to try the fence wire again at Sun-n-Fun. We get so busy that I don't get a chance to do much else,even though George is right there in our tent. He really draws a lot of interest in the aircraft community with gas welding aluminum. He almost always has a crowd around his station.
Will you be coming up to Sun-n-Fun? If so, drop by and see us. Your ears can guide you to our workshop tent.
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Old 03-24-2010, 03:12 PM
cwilliamrose cwilliamrose is offline
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Yeah, it works out to $11/lb shipped. Not cheap.

It has been quite a few years since I attended SNF. It was very crowded then, gotta' be worse now. I saw the daily prices for admission -- $30 for EAA members!! That seems crazy to me, they ought to cut us a better break than that, but then it might be even busier. I have some friends going but they leave before the airshow so I won't be joining them. For $30 I want it all.

If I change my mind I'll stop by and say hello.

I tried some fence wire with TIG but I didn't like it for some reason. I may need to re-test. I don't do OA on aluminum, TIG is enough of a challenge for me. I saw a demo at Oshkosh many years ago using Oxy-Hydrogen. It looked really good. Is anyone doing that these days?
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Old 03-24-2010, 03:44 PM
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Keep in mind that a pound of aluminum is quite a bit.
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