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Brazing Aluminum A/C Lines with Weld Strength

Testimonials

Mike,

These pics come from a new aerospace test facility that they are constructing at the University of Notre Dame. The SSF-6 is working great.

 

aluminum welding and metal repair

I am attempting to make all of these fittings air tight as they are used for pressure measurements. We can¹t have any leaks. I had very little warpage of my base metal and I think this is really going to work out very well.

 

metal fabrication and repair with muggyweld

Thank you,

 

David Hipskind
Turbomachinery Technician
The University of Notre Dame
Institute for Flow Physics and Control (FLOWPAC)
The Hessert Laboratory for Aerospace Research

 

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Please observe proper AWS safety guidelines

 

Using Super Alloy 5 and a propane torch, 2 pieces of aluminum air conditioning tubing are joined, using a brazing technique.   Although the aluminum pieces are of differing thicknesses, Super Alloy 5 quickly and easily makes the repair . 

 

TIPS:

 

To increase bonding strength, always add flux every time you add rod.

 

The flux is an absolute temperature guide, simply watch until it turns into a liquid and you're ready to apply the rod.

 

Notice the technique: heat the base metal first, then the base metal and the rod.

 

Aluminum dissipates heat quickly, so it's important to keep the flame broadly moving to ensure your base metal stays above 600 degrees.

 

 

Super Alloy 5 Products

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Super Alloy 5 Starter Kit 1/16"
Super Alloy 5 Starter Kit 1/16"

Super Alloy 5 is the 600°F aluminum brazing alloy--bonds at half the melting point of aluminum ..

Super Alloy 5 Starter Kit 3/32"
Super Alloy 5 Starter Kit 3/32"

Super Alloy 5 is the 600°F aluminum brazing alloy - bonds at half the melting point of aluminum ..

Super Alloy 5 Full Kit 1/16"
Super Alloy 5 Full Kit 1/16"

Super Alloy 5 is the 600°F aluminum brazing alloy--bonds at half the melting point of aluminum ..

Super Alloy 5 Full Kit 3/32"
Super Alloy 5 Full Kit 3/32"

Super Alloy 5 is the 600°F aluminum brazing alloy--bonds at half the melting point of aluminum ..

Super Alloy 5 Replacement Flux
Super Alloy 5 Replacement Flux

1 container powder flux (shelf life 1 year) ..