Powder-metallurgy steel article with high vanadium-carbide...

Details Powder-metallurgy steel article with high vanadium-carbide... Powder-metallurgy steel article with high vanadium-carbide...

C - Chemistry, Metallurgy

22

C

75/131

C22C 1/10 (2006.01) C22C 33/02 (2006.01)

Patent

CA 1113284

ABSTRACT OF THE DISCLOSURE A powder metallurgy tool steel article for use in applications requiring high wear resistance having a carbide content of 10 to 18 volume percent of substantially all MC-type vanadium carbides, which carbides are substantially spherical and uniformly dispersed; the carbon content of the article is balanced relative to the carbide formers vanadium, chromium and molybdenum to provide an amount of carbon in the matrix of the article sufficient to permit the article to be heat treated to a hardness of at least 56 Rc. *****

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