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.