PMA11

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Carpenter® Technology Corporation's Micro-Melt® A11 is a particle metallurgy version of A11 tool steel. Also known as AISI A11, K294 (Böhler-Uddeholm), CPM® 10V (Crucible®), and a variety of other names, it is commonly referred to “in-house” as simply PMA11 (“particle metallurgy” A11).

Carbon Chromium Cobalt Copper Manganese Molybdenium Nickel Nitrogen Phosphorus Silicon Sulfur Tungsten Vanadium
2.45 5.30 / / 0.50 1.30 / 0.50 / 0.90 0.08 / /

Its large volume of hard vanadium carbides provides substantially better wear resistance than typical high-carbon, high-chromium die steels such as D2 and D7. The particle metallurgy process further enhances these properties by greatly minimizing alloy segregation and ensuring a fine, homogenous microstructure. In knife blades, these qualities translate to outstanding edge retention and good toughness, especially in shorter knives. Note, however, that PMA11 is a tool steel and must be maintained properly to safeguard it against corrosion.