honestly i'm not 100% sure what it is, but i know what steel types are commonly used in that area and what kinds of things are available to this kind of knife making process. I've got some suspicions, but no solid knowledge one way or another.
Too many cultural curve balls.
The AI does not love you, nor does it hate you, but you are made out of atoms it might find useful for something else. - Eliezer Yudkowsky
"Fusionable carbon 61"