Cru-Wear

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Cru-Wear is a steel made by Crucible and consists of:

Carbon Chromium Cobalt Copper Manganese Molybdenium Nickel Nitrogen Phosphorus Silicon Sulfur Tungsten Vanadium
1.10 7.50 / / 0.35 1.60 / / / 1.10 / 1.15 2.40


Some information from the Spyderco website:

Cru-Wear is a high-performance "V" tool steel that is difficult to process making it challenging for knife manufacturer to work with. It follows the same high-alloy, metallurgical tool-steel recipe used to produce D2, but with greater levels of vanadium, tungsten and molybdenum. It is air-hardened and worked in a cold state. Cru-Wear exhibits exceptional toughness, impact resistance and hardness for exceptional edge retention.