Nitro-V

AEB-L with nitrogen added. Fine-grained, takes a screaming edge, easy to sharpen — a lot of steel for a mid-priced folder.

Typical hardness

59-61 HRC

Edge retention

3/5

Toughness

3/5

Corrosion resistance

4/5

Ease of sharpening

4/5

1-5 is a relative ranking drawn from published composition and hardness, not a lab measurement. Higher is better on every axis, and no steel is a 5 across the board — edge retention and toughness pull against each other.