Description

Japanese stainless steel similar to AUS-8 but from Hitachi. Popular in Spyderco and Japanese kitchen knives. Well-balanced properties.

Properties

Edge Retention
6.0/10
Corrosion Resistance
7.0/10
Toughness
7.0/10
Ease of Sharpening
7.0/10

Chemical Composition

C
1.00%
Carbon
Cr
15.00%
Chromium
Mo
0.20%
Molybdenum

✓ Pros

Well-balanced all-around performer. Easier to sharpen than VG-10. Better corrosion resistance than AUS-8. Moderate price. Proven in kitchen knives.

✗ Cons

Edge retention is moderate. Not exceptional in any category. Being replaced by more modern steels in many applications.

Grinding Notes

Grinds well. Moderate hardness makes it workable. Aluminum oxide or ceramic belts work fine. Keep cool during grinding.

Polishing Notes

Takes good polish. Fine grain structure. Popular for kitchen knife finishes. Works well with kasumi finish.