Swedish Steel vs Shirogami #1

Detailed metallurgical comparison between Swedish Carbon Steel and White Paper Steel #1.

SWEDISH-STEEL

Swedish Steel

Swedish Carbon Steel

Highly pure carbon steel imported from Sweden. Historically prized by Japanese blacksmiths for its exceptional purity and performance, rivaling the best domestic steels. Some legendary pre-war tool makers used it exclusively, and tools bearing this steel are treasured collector's items.

carbon1.20–1.30%
Sharpness
9
Edge Retention
8
Ease of Sharpening
8
Rust Resistance
3
SHIROGAMI-1

Shirogami #1

White Paper Steel #1

Pure high-carbon steel with minimal impurities. Takes a laser-like edge and is easy to sharpen, but more brittle than Aogami. The traditional choice of master woodworkers who demand the finest possible cutting edge and sharpen their tools with religious dedication. Rust forms overnight if neglected.

carbon1.25–1.35%
Sharpness
10
Edge Retention
7
Ease of Sharpening
9
Rust Resistance
2