You have made one of the best purchases possible. I have used this saw daily for the last 10 + yrs doing exactly what you are looking to do. Once you get comfortable with it you will be able to dial it right in. We cut channel, pipe, square tube, angle for frames, brackets, supports, unitstrut in ca...

TIG -1/16"2%LANTH. @ 120 amps DC.
Brass 1/2 coupling on type L copper
15% silver solder
Any idea if this is a recognized procedure?
Strength possibility or concerns?
Was really just a "wonder if it would work" type of thing.
Flowed like aluminum kind of