Production of tool steels using chemically prepared...

Details Production of tool steels using chemically prepared... Production of tool steels using chemically prepared...

C - Chemistry, Metallurgy

22

C

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C22C 33/08 (2006.01) C22C 33/04 (2006.01)

Patent

CA 1237898

- 24 - PRODUCTION OF TOOL STEELS USING CHEMICALLY PREPARED V2O3 AS A VANADIUM ADDITIVE ABSTRACT Process for producing tool steel wherein a vandadium additive consisting essentially of chemically prepared, substantially pure V2O3 is added to a molten steel having a carbon content above about 0.35 wt. % and containing silicon in an amount of from about 0.15 to about 3.0 wt. % and wherein a slag covering the molten steel contains CaO and SiO2 in a weight ratio (CaO/SiO2) which is equal to or greater than unity. D-14250

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