On Mon, 29 Aug 2011 18:11:16 -0700 (PDT), "
wrote:

On Aug 29, 5:20*pm, Tim Wescott wrote:


I'm basically looking for a steel that'll be suitable for model airplane
crank shafts. *The advice that I get from the hobby builders of model
airplane engines is "use 12L14 and don't crash". *I'm not going to
discount this -- but it'd be nice to be able to do something on par with
what I buy at the store. *So, basically, something that's easy to
machine, but that'll harden up to something between a grade 5 bolt and a
grade 8 bolt.

--www.wescottdesign.com

Take a look at Stressproof. It machines fairly well and has pretty
good mechanical properties without requiring heat treatment. It is a
premium 1144.

http://www.niagaralasalle.com/product-stressproof.html

Dan

Another good choice!

Gunner

--
"The danger to America is not Barack Obama but a citizenry
capable of entrusting a man like him with the Presidency.
It will be far easier to limit and undo the follies of an
Obama presidency than to restore the necessary common sense
and good judgment to a depraved electorate willing to have
such a man for their? president.. Blaming the prince of the
fools should not blind anyone to the vast confederacy of
fools that made him their prince".