9Cr18Mo

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9Cr18Mo is a high-end Chinese steel and consists of:

Carbon Chromium Cobalt Copper Manganese Molybdenium Nickel Nitrogen Phosphorus Silicon Sulfur Tungsten Vanadium
0.95 16.00 / / 0.30 0.50 0.10 / 0.02 0.50 0.01 / /


Some information from the Spyderco website:

9Cr18Mo is a premium ingot high-carbon steel. In our experience it’s the best knife steel being produced in China today. The name is derived from its component elements: .9% carbon, 18% chromium and 1% molybdenum. With controlled heat treat and tempering it reaches a HRc of 58-62. Before its entrée into the knife industry it was widely used for high-end Chinese barbering scissors, roller bearings and surgical tools due to its corrosion resistance and high processing quality. The application of 9Cr18Mo to knife manufacturing opens up another steel option for high-end knife manufacturers and their high-end knife enthusiasts alike.