Claims
- 1. In a method of treating a molten iron-base alloy with an additive material by injecting finely divided particles of said additive material into said molten alloy with a carrier gas stream, the improvement which comprises injecting an agglomerated blended mixture of about 50 to 70% by weight of finely divided V.sub.2 O.sub.3 with about 30 to 50% by weight of a finely divided calcium-bearing material selected from the group consisting of calcium-silicon alloy, calcium carbide and calcium cyanamide.
- 2. The improvement according to claim 1 wherein the carrier gas is selected from the group consisting of argon and nitrogen.
- 3. The improvement according to claim 1 wherein the particle size of said agglomerated, blended mixture is from about 10 mesh up to about one-half inch.
- 4. A method for adding vanadium to molten iron-base alloy which comprises preparing an agglomerated, blended mixture of about 50 to 70% by weight of finely divided V.sub.2 O.sub.3 with about 30 to 50% by weight of a finely divided calcium-bearing material selected from the group consisting of calcium-silicon alloy, calcium carbide and calcium cyanamide, reducing the agglomerated, blended mixture so prepared to a particle size in the range of from about 10 mesh up to about one-half inch, suspending the particles of said agglomerated, blended mixture in a carrier gas and then injecting the carrier gas-particle mixture pneumatically into the molten iron-base alloy.
- 5. A method according to claim 4 wherein the carrier gas is selected from the group consisting of argon and nitrogen.
- 6. A method according to claim 4 wherein said calcium-bearing material is calcium-silicon alloy.
- 7. A method according to claim 4 wherein said calcium-bearing material is calcium carbide.
- 8. A method according to claim 4 wherein said calcium-bearing material is calcium cyanamide.
Parent Case Info
This application is a continuation-in-part of my earlier filed co-pending application Ser. No. 249,503 filed Mar. 31, 1981, now U.S. Pat. No. 4,396,425, issued on Aug. 2, 1983.
US Referenced Citations (18)
Foreign Referenced Citations (1)
Number |
Date |
Country |
833098 |
Apr 1960 |
GBX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
249503 |
Mar 1981 |
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