Ginsan vs Shirogami #1

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

GINSAN

Ginsan

Silver Paper #3 / Silver Steel

Ginsan (Gingami #3) is a stainless steel from Hitachi with a carbon level approaching white steel — a deliberate design to bring near-Shirogami sharpness in a rust-resistant body. Loved by professional Japanese chefs who need stainless practicality without sacrificing the razor-keen edge that carbon steel provides.

carbon0.95–1.10%chromium13.00–15.00%molybdenum0.20–0.50%
Sharpness
9
Edge Retention
7
Ease of Sharpening
8
Rust Resistance
8
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