This blade is 10 cm long and made using 3.8mm thick Austrian made O2 high carbon tool steel (Böhler K720) and heat treated to achieve a hardness of 58-60 HRC.

ABOUT THE STEEL:
O2 HIGH CARBON TOOL STEEL
Böhler Tool Steel K720 (O2) is a very tough and strong oil hardened high carbon tool steel. The focus of the steel is toughness and edge stability. The chemical composition allows it to be hardened to a high degree whilst maintaining ductility and toughness. This means the blade holds its edge for longer at the same time as it is resistant to chipping and cracking under heavy use. This steel also has a very fine structure making it easy to sharpen and achieve a razor sharp edge with. Whilst easy to sharpen, the low chromium content means it will tarnish if left wet and it must therefore be wiped after use and protected by oil or wax when put away for storage if you want to avoid tarnish building up.

Steel analysis:

• .C. 0.9%
• Si. 0.25%
• Mn. 2.0%
• Cr. 0.35%
• V. 0.1%
• (HRC 58-60)

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