Shirogami #3 vs Aogami #1

Detailed metallurgical comparison between White Paper Steel #3 and Blue Paper Steel #1.

SHIROGAMI-3

Shirogami #3

White Paper Steel #3

Lower-carbon variant of White Steel. Less pure, but significantly tougher and easier to sharpen. Often used for larger striking tools or entry-level blades where toughness is prioritized over maximum edge retention.

carbon0.80–0.90%
Sharpness
7
Edge Retention
5
Ease of Sharpening
10
Rust Resistance
2
AOGAMI-1

Aogami #1

Blue Paper Steel #1

High-carbon steel alloyed with chromium and tungsten for enhanced wear resistance and edge retention. Ideal for hard woods and heavy use. Forged by masters who prize its demanding nature, it rewards a skilled sharpener with extraordinary edges that outlast almost any other carbon steel.

carbon1.25–1.35%chromium0.30–0.50%tungsten1.50–2.00%
Sharpness
9
Edge Retention
9
Ease of Sharpening
6
Rust Resistance
4