On Sat, 31 May 2008 14:52:44 -0700 (PDT), John2005
wrote:
snip
I'm looking for the highest yield strength I can find in a steel that
is still machinable, i.e., not so hard that it can't really be
machined effectively.
snip
==========
Depending on how many you have to do, consider EDM. Hardness is
no problem.

FWIW -- iron is a minority ingredient in some of the "super
steels," and while ther performance is "out of this world," so is
the price.

for some additional info click on
http://www.brownmac.com/pdf/BrownMcFarlaneHSSSP.pdf
http://en.wikipedia.org/wiki/Maraging_steel
http://www.matweb.com/search/GetMatl...=Latrobe+Steel
http://www.thomasnet.com/northern-ne...9790408-1.html
http://www.allvac.com/allvac/pages/P.../vascomaxt.pdf






Unka' George [George McDuffee]
-------------------------------------------
He that will not apply new remedies,
must expect new evils:
for Time is the greatest innovator: and
if Time, of course, alter things to the worse,
and wisdom and counsel shall not alter them to the better,
what shall be the end?

Francis Bacon (1561-1626), English philosopher, essayist, statesman.
Essays, "Of Innovations" (1597-1625).