FI197874A - - Google Patents
Info
- Publication number
- FI197874A FI197874A FI1978/74A FI197874A FI197874A FI 197874 A FI197874 A FI 197874A FI 1978/74 A FI1978/74 A FI 1978/74A FI 197874 A FI197874 A FI 197874A FI 197874 A FI197874 A FI 197874A
- Authority
- FI
- Finland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US374635A US3861888A (en) | 1973-06-28 | 1973-06-28 | Use of CO{HD 2 {B in argon-oxygen refining of molten metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI197874A true FI197874A (pt) | 1974-12-29 |
Family
ID=23477618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1978/74A FI197874A (pt) | 1973-06-28 | 1974-06-27 |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US3861888A (pt) |
| JP (1) | JPS5037611A (pt) |
| AU (1) | AU6944374A (pt) |
| BE (1) | BE816970A (pt) |
| BR (1) | BR7405267A (pt) |
| DD (1) | DD112468A5 (pt) |
| FI (1) | FI197874A (pt) |
| FR (1) | FR2235198B1 (pt) |
| IL (1) | IL45137A (pt) |
| NO (1) | NO742347L (pt) |
| PL (1) | PL88825B1 (pt) |
| SE (1) | SE7408502L (pt) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR7801963A (pt) * | 1977-03-31 | 1978-10-24 | Union Carbide Corp | Processo para a producao de pecas fundidas de metal como produto final,tendo qualidade de superficie e qualidade interna aperfeicoadas |
| US4174212A (en) * | 1978-03-10 | 1979-11-13 | A. Finkl & Sons Co. | Method for the refining of steel |
| DE2820555A1 (de) * | 1978-05-11 | 1979-11-15 | Basf Ag | Verfahren zur behandlung von roheisen- und stahlschmelzen bzw. legierungen |
| US4490172A (en) * | 1979-06-29 | 1984-12-25 | Moore William H | Method of melting and refining steel and other ferrous alloys |
| US4409028A (en) * | 1979-10-24 | 1983-10-11 | Moore William H | Process for producing cast iron |
| US4260415A (en) * | 1979-12-12 | 1981-04-07 | Allegheny Ludlum Steel Corporation | Decarburizing molten metal |
| US4436553A (en) | 1982-01-22 | 1984-03-13 | Union Carbide Corporation | Process to produce low hydrogen steel |
| FR2560891B1 (fr) * | 1984-03-09 | 1989-10-20 | Air Liquide | Procede d'affinage de la fonte |
| US4615730A (en) | 1985-04-30 | 1986-10-07 | Allegheny Ludlum Steel Corporation | Method for refining molten metal bath to control nitrogen |
| US4746361A (en) * | 1987-04-03 | 1988-05-24 | Inland Steel Company | Controlling dissolved oxygen content in molten steel |
| DE3912061A1 (de) * | 1989-04-13 | 1990-10-18 | Messer Griesheim Gmbh | Verfahren zur herstellung von legierten stahlmarken |
| US5139569A (en) * | 1989-04-13 | 1992-08-18 | Messer Griesheim | Process for the production of alloy steel grades using treatment gas consisting of CO2 |
| US5190577A (en) * | 1990-12-11 | 1993-03-02 | Liquid Air Corporation | Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal |
| EP0544967B1 (de) * | 1991-11-28 | 1995-06-14 | Carbagas | Verfahren zur Unterdrückung von Staub und Rauch bei der Elektrostahlherstellung |
| US5417739A (en) * | 1993-12-30 | 1995-05-23 | Ltv Steel Company, Inc. | Method of making high nitrogen content steel |
| US5865876A (en) * | 1995-06-07 | 1999-02-02 | Ltv Steel Company, Inc. | Multipurpose lance |
| US5830259A (en) * | 1996-06-25 | 1998-11-03 | Ltv Steel Company, Inc. | Preventing skull accumulation on a steelmaking lance |
| US5885323A (en) * | 1997-04-25 | 1999-03-23 | Ltv Steel Company, Inc. | Foamy slag process using multi-circuit lance |
| CN102146499A (zh) * | 2010-02-05 | 2011-08-10 | 鞍钢股份有限公司 | 一种aod喷吹co2生产不锈钢的冶炼方法 |
| US9045805B2 (en) | 2013-03-12 | 2015-06-02 | Ati Properties, Inc. | Alloy refining methods |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2855293A (en) * | 1955-03-21 | 1958-10-07 | Air Liquide | Method and apparatus for treating molten metal with oxygen |
| US3252790A (en) * | 1956-06-27 | 1966-05-24 | Union Carbide Corp | Preparation of metals and alloys |
| US3003865A (en) * | 1959-09-10 | 1961-10-10 | Cameron Iron Works Inc | Decarburizing process for alloy steels containing chromium |
| BE610265A (pt) * | 1960-11-18 | |||
| US3397878A (en) * | 1965-11-19 | 1968-08-20 | Union Carbide Corp | Under-bath tuyere |
| GB1253581A (en) * | 1968-02-24 | 1971-11-17 | Maximilianshuette Eisenwerk | Improvements in processes and apparatus for making steel |
| BE755456A (fr) * | 1969-08-29 | 1971-03-01 | Allegheny Ludlum Ind Inc | Decarburation de l'acier fondu |
| US3728101A (en) * | 1970-11-09 | 1973-04-17 | Armco Steel Corp | Process for making stainless steel |
| FR2186974A5 (en) * | 1972-05-31 | 1974-01-11 | Air Liquide | Decarburisation of iron and steel alloys - contg chromium by blowing with oxygen, carbon dioxide and a rare gas |
-
1973
- 1973-06-28 US US374635A patent/US3861888A/en not_active Expired - Lifetime
-
1974
- 1974-05-28 AU AU69443/74A patent/AU6944374A/en not_active Expired
- 1974-06-27 IL IL45137A patent/IL45137A/xx unknown
- 1974-06-27 JP JP49072891A patent/JPS5037611A/ja active Pending
- 1974-06-27 NO NO742347A patent/NO742347L/no unknown
- 1974-06-27 BE BE145977A patent/BE816970A/xx unknown
- 1974-06-27 PL PL1974172235A patent/PL88825B1/pl unknown
- 1974-06-27 FI FI1978/74A patent/FI197874A/fi unknown
- 1974-06-27 DD DD179518A patent/DD112468A5/xx unknown
- 1974-06-27 FR FR7422449A patent/FR2235198B1/fr not_active Expired
- 1974-06-27 SE SE7408502A patent/SE7408502L/ unknown
- 1974-06-27 BR BR5267/74A patent/BR7405267A/pt unknown
-
1977
- 1977-01-21 US US05/760,841 patent/USRE29584E/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2235198B1 (pt) | 1978-01-20 |
| SE7408502L (pt) | 1974-12-30 |
| AU6944374A (en) | 1975-12-04 |
| IL45137A0 (en) | 1974-09-10 |
| BE816970A (fr) | 1974-12-27 |
| DE2430975B2 (de) | 1975-09-04 |
| PL88825B1 (pt) | 1976-09-30 |
| JPS5037611A (pt) | 1975-04-08 |
| IL45137A (en) | 1976-09-30 |
| BR7405267A (pt) | 1976-02-24 |
| DE2430975A1 (de) | 1975-01-09 |
| US3861888A (en) | 1975-01-21 |
| DD112468A5 (pt) | 1975-04-12 |
| FR2235198A1 (pt) | 1975-01-24 |
| USRE29584E (en) | 1978-03-21 |
| NO742347L (pt) | 1975-01-27 |