Aogami #1 vs Shirogami #2

Detailed metallurgical comparison between Blue Paper Steel #1 and White Paper Steel #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
SHIROGAMI-2

Shirogami #2

White Paper Steel #2

The most widely used white steel. Slightly lower carbon than #1 for an excellent balance of extreme sharpness and workability. The most beloved steel among Japanese master craftsmen for its near-perfect balance: it sharpens with effortless ease and delivers razor edges that glide through the finest grain.

carbon1.05–1.15%
Sharpness
9
Edge Retention
6
Ease of Sharpening
10
Rust Resistance
2