On Jan 5, 6:06*pm, "ddeu" wrote:
Perhaps similar to X45NiCrMo4 for many applications.
Seems to need cryogenic treatment for best properties possibly the high Si
at work?

....
Carpenter Tech announced a patented high strength steel that does not
contain Cobalt.
In fact reading the data sheet, it is a low alloy steel with high
strength and toughness.

Do they offer free evaluation samples?

jsw