On Jan 5, 11:06*pm, "ddeu" wrote:
Perhaps similar to X45NiCrMo4 for many applications.
Seems to need cryogenic treatment for best properties possibly the high Si
at work?


The Carpenter web site says -100 F for an hour for max toughness.
-100 is cold but is about what you get with dry ice. I think of
cryogenic as colder than that.

Dan