Brazing is done at lower temperatures without melting the base metals.
Tig brazing copper to stainless.
You can t treat copper like steel.
If you are tig welding copper buy oxygen free copper.
So here is the video with a few tips on silver brazing copper to steel and brazing stainless steel bolts to some copper washers.
I use the term silver brazing instead of silver solder because technically anything over 840 degress f is brazing.
Copper to stainless tig welds 10 05 2009 11 46 pm.
Tig welding copper is not hard but it doesn t get done that often.
Now technically this would be classified as tig brazing because the stainless steel has a higher melting point then the silicon bronze filler rod.
Browse suggested weld parameter settings for tig welding.
Silicon bronze will join carbon steel copper bronze brass cast iron pretty much any of these to any other.
My client is presently silver soldering these butt joints but that is pretty expensive.
But because of its low melt point silicon bronze tig brazing works better on galvanized sheet than welding with mild steel rods.
It is different than steel but it is straightforward enough.
But remember its not as strong as a weld.
It will subject to 100 x ray prior to the second butt see the outer prep for a 6 sleeve and another co.
This is the copper to stainless butt after welding.
I would like to know if it is possible to tig weld copper pipe fittings to 300 series stainless steel.
The brazing alloys and fluxes are available at most hvac r suppliers and if the guy at the counter.
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.
Pay attention to those and your project will be fine.
The filler material flows into any and all microscopic crevices in the metal and pulls the pieces together similar to a permanent velcro.
Buy the right copper.