The Cheness 9260 is spring steel (leaf spring steel).

For comparison ... Busse's "carbon steels" (non INFI) are all "durable steels" (SR77 was jack-hammer bit steel while SR101 is ball bearing steel). They didn't chose a spring steel. Busse's durability is legendary.

Rice (or sushi) for thought ...

JYD #123 The great one formerly known as Architect.

I am now a fictional British television police officer (currently a Detective Sgt) at Thames Valley Station. My governor is Detective Inspector Fred Thursday and it’s 1969.