I ordered a two pound spool just to try it.
Mig welding copper to steel.
Why using a tig welder for welding steel to copper can be difficult.
152 4 to 304 8 mm away from the weld.
Stainless steel melts at around 1400 c while copper melts at 1085 c that s a difference of 315 c this makes forming a puddle of the two metals extremely difficult.
100 de ox copper wire is available but pricey.
I use the term silver brazing instead of silver solder because technically anything over 840 degress f is brazing.
Mig brazing may not be a familiar process to many but it is no stranger in the welding world.
There are two issues with welding copper and stainless steel.
It looks kind of yellow.
Safe for our use the mds sheet shows it is 96 copper 2 silicon 1 manganese 1 nickel.
First up the two metals have substantially different melting points.
While using a tig welder is the best option for welding steel to copper that doesn t mean that it s an easy process because of the properties of a steel to copper weld and the technicality of running a tig welder performing a steel to copper weld can be a complex operation.
In welding copper sheets the heat is conducted away from the welding zone so rapidly that it is difficult to bring the temperature up to the fusion point.
So here is the video with a few tips on silver brazing copper to steel and brazing stainless steel bolts to some copper washers.
Mig brazing is a welding process that has been around for years and is gaining popularity with professionals and hobbyists alike due to the benefits it can offer especially with silicon bronze filler metal.