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Silver Soldering Copper to Steel

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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Silver soldering a 1/8" steel plate to a copper end cap using Muggy Weld SSQ-6 56% silver solder paste.

 

To begin, clean both the copper and the steel well before starting the brazing process. The SSQ-6 paste is easily applied with a syringe on cold metals.

 

Pictured above is 1/8" mild steel with a small amount of SSQ-6

 

 

Place the copper end cap on the steel with the SSQ-6 sandwiched between the two metals to prevent electrolysis or oxidation.

 

 

Heat the steel from side to side with the torch to achieve an even flow. The copper did not require direct heating due to its thickness. No need to heat metals bright red, as SSQ-6 silver solder flows at 1050° F

 

 

 

The flux residue is removed with water and a wire brush.

 

 

Another perfect silver solder joint using the SSQ-6 Syringe.

 

 

SSQ-6 Silver Solder Products

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SSQ-6 1 oz Syringe
SSQ-6 1 oz Syringe

FEATURES: Tensile strength up to 85,000 psi, almost 18x the strength of regular solders Hand..