Have you tried a Casenite immersion heat treat? You should be able to get
full penetration and quite a bit of carbon into just about any steel that
small.

Start with generic piano wire and do a full hard case hardening. The stuff
will
be as brittle as glass. You will need to figure out the carbon bake times
and
tempering.

"dddd" wrote in message
...
Anybody know of a source for carbon drill rod in sizes between AWG 65 and
72
in 36 inch lengths? Did a search for steel and looked up Buffalo
Precision
and Windsor Steel, called several houses and no, Small Parts does not
carry
it either.

I need to anneal, shape and harden it for gongs, and piano wire does not
sound as clear drill rod after I am done.
--
Regards,
Dewey Clark http://www.historictimekeepers.com
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