"Jim Wilkins" wrote: (clip) When
the steel doesn't attract a weak magnet I dump everything into a pail
of water. (clip) don't use a magnet strong enough
to lift the part.
^^^^^^^^^^^^^^^^^^^
A jeweler once told me he does something like this to heat treat hair
springs. He holds the spring over a quenching bath with a magnet, and then
plays a torch on it until it drops off into the bath. Of course, his magnet
is strong enough to lift the part.