Add as many steels as you like and pick 2-4 axes
5 steels
6 steels
Edge retention. Measured by CATRA test.
Impact resistance. Measured by Charpy test.
Stainless. Resistance to moisture/salt/acid.
Ease of sharpening a dull blade.
Rockwell C hardness scale. Working hardness.
Higher = cheaper. Inverted scale.
1 steels, 4 axes
Edge
M390
6.5/10
Tough
3.5/10
Corr
9.0/10
Sharpen
4.5/10