simple welding rods

Hello All - Has anyone tried those simple welding rods for nonferrous metals, if so do they hold up to their claims. There are currently many ads for them on Facebook. Of course all of their customers sing all their praises for this product. I'm looking for the real world responses from the guys on this fourm, that would provide their experiences with this product and ones similar that are used to attach similar nonferrous metals.
 
Similar to a brazing rod for non ferrous. Not actual welding. Sure they can serve a purpose. I have some somewhere. Have not looked for them in 15 years probably.
 
I used some on an aluminum boat once. I thought they worked real good. That was over 25 years ago and the boat still floats and the weld has not cracked.
 
I tried them and it did not end well. Maybe I didn't know what I was doing. Parts have to be very clean and heat is tricky.
 
Guy was selling them at the state fair looked simple enough I bought some because I had a couple things I wanted to try them on burned about 4 sticks never could get anything to hold I think I still have a couple pieces left
 
yup I bought some from the same guy at the state fair. I tried and tried but never could get it to work right.. finally disassembled the parts and took em to the tig welder..
 
Yes he did.. I swear he was using just a standard burnzomatic type torch.. kinda reminds me of the snake oil salesman on the old westerns...
 
I have some and they worked very well on a motorcycle side case that wore through from contact with concrete while slowing down on its own. THere were therr things needed. Clean within 20 seconds of starting with a stainless steel wire brush. A mapp gas torch is best, but propane will work. Motion and feel as the metal has hot shortness (which means it has little softness and melts into a splash if heated 3 degrees warmer than intended. Don't try to melt the part you are repairing, the rod melts way first. Oh yeah clean and fresh. Jim
 
Bottom line is that aluminum can be soldered with lead or lead,zinc and some sellers and/or hucksters out there capitalize on that fact.
 
Kinda like when the guy shows up in Mayberry and sells aunt bee and all the other ladies hooch and they think it’s the best medicine in the world until Andy tells her what it actually is
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Aunt bee drunk
 
This is a perennial subject here; I've never used the rods in question but it's important to understand that the process is SOLDERING, not WELDING. If soldering is going to provide sufficient strength for your repair, then I guess they're worth a try.

It is possible to gas weld aluminum using an oxyacetylene torch. It takes quite a bit of practice, since there's a very fine line between getting aluminum hot enough to fuse and having a pool of molten metal at your feet.
 
I have used the ones for aluminum soldering with success. Cleaning and patience are all important. The solder melts quickly so it is important to not get in a rush about using it. Heat the surface up to where the solder is melted by it. I usually stop after applying a little and check for good adhesion before doing the whole job. On holes in sheet aluminum I have used sheet aluminum backers on the inside. It can then be soldered to make a secure patch.
 

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