C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/24 (2006.01) B22F 9/08 (2006.01) C22C 33/02 (2006.01) C22C 38/22 (2006.01) C22C 38/34 (2006.01) C22C 38/36 (2006.01) C22C 38/38 (2006.01)
Patent
CA 2061763
Prealloyed high-vanadium, cold work tool steel particles are provided for use in the powder-metallurgy production of tool steel articles. The particles are of a cold work tool steel alloy having an MC-type vanadium carbide dispersion of a carbide particle size substantially entirely less than 6 microns and in an amount of 18.5 to 34.0% by volume. The particles are produced by atomizing a molten tool steel alloy at a temperature above 2910°F and rapidly cooling the atomized alloy to form solidified particles therefrom. The particles have the MC-type vanadium carbide dispersion therein.
Pinnow Kenneth E.
Stasko William
Crucible Materials Corporation
Riches Mckenzie & Herbert Llp
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