In article , Roger Jensen
says...

I am silver soldering brass and carbon steel in making clock parts using a
high temp solder and a MAPP gas torch. What might you recommend to minimize
the amount of cleanup needed,

Cleanup of *what*?

If you are getting a lot of oxides on the parts, you need to use
more flux and a softer flame so the flux does not blow off and
leave exposed spots.

If you are worried about the flux itself, soak the parts in
boiling water to remove that.

If you have trouble with the solder running where you don't
want it, that can be remidied with "stop-off" which is a paste
or paint sold expressly for the purpose of preventing silver
solder or braze from adhereing where it isn't wanted.

Jim


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