R2 / SG2 vs Aogami #1

Detailed metallurgical comparison between Super Gold 2 Powder Steel and Blue Paper Steel #1.

R2-SG2

R2 / SG2

Super Gold 2 Powder Steel

A powder-metallurgy stainless steel developed by Takefu Special Steel. R2 and SG2 refer to the same steel from different suppliers. Combines surprisingly good stainless properties with very high hardness and excellent edge retention. One of the most practical high-performance steels for everyday use.

carbon1.25–1.45%chromium14.00–16.00%molybdenum2.00–3.00%vanadium1.80–2.20%
Sharpness
8
Edge Retention
9
Ease of Sharpening
5
Rust Resistance
8
Full profile →Compare
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
Full profile →Compare