So for soldering to work, it must have free access to ultra-clean parent metals. For this reason flux is always used as a chemical backup to mechanical surface cleaning. Silver soldering suits ...

I’ve been soldering for a long time, and I take pride in my abilities. I won’t say that I’m the best solder-slinger ... We all know that flux is critical to quality solder joints.

Brazing and soldering practices are one of many ... Copper-to-copper connec- tions require no flux when rods that contain phosphorus are used. Therefore, rods using a small amount of silver, with the ...

Huh. Okay. well, you kind of twist them together and give a go at soldering. No dice. Next comes sandpaper, torches, and all sorts of work-a-rounds. None of them seem to work. The best you manage ...