Aogami Super vs Aogami #2

Detailed metallurgical comparison between Super Blue Steel and Blue Paper Steel #2.

The highest-carbon variant among Aogami steels. Includes vanadium and molybdenum for extreme edge retention and hardness. Revered and feared in equal measure — its edge outlasts almost everything, but requires a master's touch to sharpen properly. The pinnacle of the Hitachi carbon steel family.

carbon1.40–1.50%chromium0.30–0.50%tungsten2.00–2.50%vanadium0.30–0.50%molybdenum0.30–0.52%

Sharpness

9

Edge Retention

10

Ease of Sharpening

5

Rust Resistance

4

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Similar to Aogami #1 but with slightly lower carbon and tungsten content. Offers an excellent balance of edge retention and toughness, making it the most-used steel among Japanese master blacksmiths. The sweet spot of the Aogami family — demanding enough to be worthy, forgiving enough to be reliable.

carbon1.05–1.15%chromium0.20–0.50%tungsten1.00–1.50%

Sharpness

8

Edge Retention

8

Ease of Sharpening

7

Rust Resistance

4

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