"Mark Rand" wrote in message
...
The heat required for brazing is enough to affect the temper of almost any
steel (even HSS if you aren't careful, ask how I found out!).

Heck, if you're using brass filler, you're only about 500 degrees from the
quenching temperature, as I recall. Come to think of it, I bet you could do
some furnace brazing with copper filler on HSS and get it to come out
right... Unless the Cu diffuses into the metal or something...

Tim

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