Tig Brazing Copper To Stainless

So here is the video with a few tips on silver brazing copper to steel and brazing stainless steel bolts to some copper washers.

Tig brazing copper to stainless.

Silicon bronze rod has a melting temp of around 1050 c while stainless steel has a melting point of 1400 1450 c. It will subject to 100 x ray prior to the second butt see the outer prep for a 6 sleeve and another co. Buy the right copper. Because of this you don t need the base metals to be similar so it s possible to tig braze copper to stainless steel as an example.

The filler material flows into any and all microscopic crevices in the metal and pulls the pieces together similar to a permanent velcro. But remember its not as strong as a weld. I use the term silver brazing instead of silver solder because technically anything over 840 degress f is brazing. The little details are various.

Tig welding copper is not hard but it doesn t get done that often. Pay attention to those and your project will be fine. Silicon bronze will join carbon steel copper bronze brass cast iron pretty much any of these to any other. But because of its low melt point silicon bronze tig brazing works better on galvanized sheet than welding with mild steel rods.

My client is presently silver soldering these butt joints but that is pretty expensive. The brazing alloys and fluxes are available at most hvac r suppliers and if the guy at the counter. The gold look of silicon bronze makes stuff look cool. Copper to stainless tig welds 10 05 2009 11 46 pm.

Brazing is done at lower temperatures without melting the base metals. Browse suggested weld parameter settings for tig welding. You can t treat copper like steel. This is the copper to stainless butt after welding.

Now technically this would be classified as tig brazing because the stainless steel has a higher melting point then the silicon bronze filler rod.