Description

Water-hardening tool steel. Traditional choice for Japanese kitchen knives and razors.

Properties

Edge Retention
6.5/10
Corrosion Resistance
2.0/10
Toughness
7.5/10
Ease of Sharpening
8.5/10

Chemical Composition

C
1.00%
Carbon
Cr
0.15%
Chromium
V
0.10%
Vanadium
Mn
0.25%
Manganese

✓ Pros

Takes extremely sharp edge. Traditional for Japanese knives. Simple composition.

✗ Cons

Water quench can cause warping. Rusts easily. Needs experience.

Grinding Notes

Grinds well but heat sensitive. Thin edges possible.

Polishing Notes

Excellent for traditional Japanese finishes. Mirror polishes beautifully.