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> Anyone seen or used Alumaloy?, saw an infomercial today
seanery
post Sep 6 2003, 05:01 PM
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This looks interesting (melts at 720 degrees F) so not a super high temp fix, but quick and it looked fairly strong.

Here is their webpage

Any thoughts, opinions, experiences?
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elmonte
post Sep 6 2003, 05:17 PM
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As seen on TV not a good sign. Too good to be true?
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ChrisReale
post Sep 6 2003, 05:57 PM
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I'be used a similar product with ok results. Was not car related.
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Katmanken
post Sep 6 2003, 07:37 PM
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Seanery,

Sounds like the aluminum weld rod I bought at Sears Tool store. Had a cracked aluminum oil pan in my mower and used it to patch it. Ground the crack out and heated it up with a oxy-acetylene torch. Stuff just dabs in and hardens. Looks a lot like an aluminum weld and it was harder than hell when I had to dremel off some excess.

Met you at Maumee

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Katmanken
post Sep 6 2003, 07:41 PM
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Oh yeah, that propane torch wouldn't have cut it. Aluminum is a hell of a heat sink so you will need more power.

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mskala
post Sep 6 2003, 08:48 PM
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A few years ago a friend and I split a $45 batch of the Alumaloy
rods. I'm not a materials guy but I'm sure if you find rods that
melt at that temp somewhere else cheaper it's going to be the
same stuff.

The infomercial shows a bunch of weird cases that would be much
more of a pain in the ass than would other solutions. If you try
to patch something big like a canoe or extension ladder you will
be noticably older before you could get that thing to 750F.

However, it does work and is useful for small projects. I
almost made a tool cart, and made up my fire extinguisher
bracket pretty easily. If you are careful, you can use something
hotter like propylene to make the job easier.
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rick 918-S
post Sep 7 2003, 12:23 AM
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I bought a similar product at Northern tools. I attempted to repair an aluminum front shroud on my 1954 Austin Healey 100-4.
I tried propane and map gas. I couldn't get it hot enough to get a good bond. I have gas welded everything an consider myself proficient. Bottled gas is not hot enough for the base metal. Atleast .060 material anyway. I tried some diamond plate I have and was able to join two pieces with map gas. Good luck.
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ChrisFoley
post Sep 7 2003, 08:17 AM
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It's probably the same stuff I buy at the local welding supply houses, called Aladdin 3in1. It's basically white metal (pot metal) which is a high zinc aluminum alloy. I only use it to repair white metal parts with my TIG welder. Its very difficult to use with the TIG because the zinc likes to vaporize due to the arc temperature, and the whole part can melt from heat buildup if not careful. I do it this way because I can weld some otherwise unrepairable pieces.
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Katmanken
post Sep 7 2003, 08:51 AM
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The Sears product is a "Self Fluxing Aluminum Rod " 1/8 " diameter and is made(repackaged?) by US Forge. I believe it was less than $10.00 for 12 or so rods.

Very little info on the package and none on how to use. Claims that the material can be used "to wearface aluminum" "good color match for aluminum" and "low working temperature."

Also, "the flux is in the rod".

Worked great for my application. Only problem is it flows vey freely when hot and I had trouble building up a thick section. Then again, I'm not the worlds greatest welder.

Web research claims it isn't a solder and you need to crimp the end of partially used rods to save the flux.

I'd use it again.

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John Kelly
post Sep 7 2003, 10:25 AM
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I think that stuff is actually for aluminum brazing, not welding. Brazing does not penetrate the base metal. Check out Kent White's site for lots of good information:

www.tinmantech.com

John www.ghiaspecialties.com
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seanery
post Sep 7 2003, 10:28 AM
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yeah, I think you're right john.
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Rusty
post Sep 7 2003, 07:40 PM
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Pot metal?

Could this stuff be used to fix broken door handles?

-Rusty (IMG:style_emoticons/default/smoke.gif)
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ChrisFoley
post Sep 7 2003, 09:20 PM
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QUOTE(Lawrence @ Sep 7 2003, 09:40 PM)
Pot metal?

Could this stuff be used to fix broken door handles?

-Rusty (IMG:style_emoticons/default/smoke.gif)

Probably not worth it. The chrome will be destroyed. Just the same, I have one I plan to try repairing for the hell of it.
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Aaron Cox
post Sep 7 2003, 09:57 PM
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QUOTE(elmonte @ Sep 6 2003, 04:17 PM)
As seen on TV not a good sign. Too good to be true?

not sold in stores because its a piec of Shit... LOL
... I got the idea cuz i smoked a lotta pot.... (IMG:style_emoticons/default/laugh.gif)


(reference from comedian pablo francisco)
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