Micro-Melt PD1
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Micro-Melt PD#1 consists of:
| Carbon | Chromium | Cobalt | Copper | Manganese | Molybdenium | Nickel | Nitrogen | Phosphorus | Silicon | Sulfur | Tungsten | Vanadium |
| 0.85-1.00 | 0.40-0.60 | / | / | 1.00-1.40 | / | 0.30 | / | / | 0.50 | / | 0.50 | 0.30 |
From Spyderco's website:
Micro-Melt PD#1 is an air-hardening cold-work die steel. PD#1's unique alloy composition gives it wear resistance significantly superior to conventional steels like D2, while still maintaining excellent toughness. Thanks to Carpenter's advanced Micro-Melt powder metallurgy process, PD#1 possesses an extremely fine microstructure and uniform carbide distribution, as well as the enhanced compressive strength necessary for the demands of tooling applications. Collectively, these qualities give it a unique combination of wear resistance and toughness that make it ideal for use as a blade steel.[1]
