BR9303358A - STEEL PRODUCTION PROCESS - Google Patents
STEEL PRODUCTION PROCESSInfo
- Publication number
- BR9303358A BR9303358A BR9303358A BR9303358A BR9303358A BR 9303358 A BR9303358 A BR 9303358A BR 9303358 A BR9303358 A BR 9303358A BR 9303358 A BR9303358 A BR 9303358A BR 9303358 A BR9303358 A BR 9303358A
- Authority
- BR
- Brazil
- Prior art keywords
- production process
- steel production
- steel
- production
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA926006 | 1992-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9303358A true BR9303358A (en) | 1994-03-15 |
Family
ID=66817583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9303358A BR9303358A (en) | 1992-08-11 | 1993-08-11 | STEEL PRODUCTION PROCESS |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0583164A1 (en) |
JP (1) | JPH06172916A (en) |
KR (1) | KR950006013A (en) |
BR (1) | BR9303358A (en) |
CA (1) | CA2103843A1 (en) |
FI (1) | FI933547A (en) |
NO (1) | NO932850L (en) |
ZA (1) | ZA935789B (en) |
ZW (1) | ZW9893A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5567224A (en) * | 1995-06-06 | 1996-10-22 | Armco Inc. | Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame |
US5575829A (en) * | 1995-06-06 | 1996-11-19 | Armco Inc. | Direct use of sulfur-bearing nickel concentrate in making Ni alloyed stainless steel |
US5749939A (en) * | 1996-12-04 | 1998-05-12 | Armco Inc. | Melting of NI laterite in making NI alloyed iron or steel |
US6030434A (en) * | 1999-03-31 | 2000-02-29 | International Briquettes Holding | Method for hot agglomeration of solid metallized iron particles to produce alloyed briquettes |
DE102007015585A1 (en) * | 2007-03-29 | 2008-10-02 | M.K.N. Technologies Gmbh | Melt metallurgical process for producing molten metals and transition metal-containing aggregate for use therein |
FI127721B (en) * | 2009-02-11 | 2019-01-15 | Outokumpu Oy | Method for producing a ferro-alloy containing nickel |
FI123241B (en) * | 2011-06-13 | 2013-01-15 | Outokumpu Oy | Process for improving the degree of reduction in melting of a ferro-mixture |
WO2018011469A2 (en) * | 2016-07-11 | 2018-01-18 | Outotec (Finland) Oy | Process for manufacturing chromium and iron bearing agglomerates with different addition of manganese, nickel and molybdenum bearing materials |
CN106755983B (en) * | 2016-12-21 | 2018-05-29 | 钢铁研究总院 | A kind of manganese oxide and molybdenum oxide mixture pelletizing and its application method |
CN106636540B (en) * | 2016-12-21 | 2019-01-18 | 钢铁研究总院 | A kind of electric steelmaking process of manganese oxide and molybdenum oxide while DIRECT ALLOYING |
CN110241314A (en) * | 2018-03-08 | 2019-09-17 | 盐城市鑫洋电热材料有限公司 | A method of ferrochrome is prepared with chromite |
CN113549741A (en) * | 2021-07-31 | 2021-10-26 | 江苏鼎跃金属制品有限公司 | Method for preparing low-carbon ferrochrome by vacuum oxidizing gas decarburization |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3323907A (en) * | 1964-11-23 | 1967-06-06 | Air Prod & Chem | Production of chromium steels |
JPS5524926A (en) * | 1978-08-08 | 1980-02-22 | Nippon Steel Corp | Removal of tramp elements from dust |
JPS5629652A (en) * | 1979-08-13 | 1981-03-25 | Nisshin Steel Co Ltd | Molybdenum oxide briquette |
US4362559A (en) * | 1981-03-09 | 1982-12-07 | American Cyanamid Company | Method of introducing addition agents into a metallurgical operation |
US4373948A (en) * | 1981-03-31 | 1983-02-15 | Union Carbide Corporation | Addition agents for iron-base alloys |
US4396425A (en) * | 1981-03-31 | 1983-08-02 | Union Carbide Corporation | Addition agent for adding vanadium to iron base alloys |
LU83362A1 (en) * | 1981-05-13 | 1983-03-24 | Alloys Continental Sa | METHOD FOR TREATING POWDER-SHAPED METAL OXYDES AS A ALLOY ADDITIVE TO MELTING STEEL |
DE3150291A1 (en) * | 1981-12-18 | 1983-06-30 | Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH, 4000 Düsseldorf | Process for re-using dusts formed in stainless steel production |
JPS59126707A (en) * | 1983-01-07 | 1984-07-21 | Kawasaki Steel Corp | Manufacture of chromium steel by refining using chrome ore, and chromium additive |
JPS6036613A (en) * | 1983-08-06 | 1985-02-25 | Nippon Steel Corp | Production of raw molten nickel-containing stainless steel |
JPS62133012A (en) * | 1985-12-05 | 1987-06-16 | Kobe Steel Ltd | Manufacture of molten iron containing chromium |
JPS63183988A (en) * | 1987-01-27 | 1988-07-29 | Nippon Steel Corp | Production of coke containing valuable metal |
-
1993
- 1993-08-10 ZA ZA935789A patent/ZA935789B/en unknown
- 1993-08-10 ZW ZW98/93A patent/ZW9893A1/en unknown
- 1993-08-11 KR KR1019930015520A patent/KR950006013A/en not_active Application Discontinuation
- 1993-08-11 EP EP93306349A patent/EP0583164A1/en not_active Withdrawn
- 1993-08-11 JP JP5199495A patent/JPH06172916A/en active Pending
- 1993-08-11 FI FI933547A patent/FI933547A/en unknown
- 1993-08-11 CA CA002103843A patent/CA2103843A1/en not_active Abandoned
- 1993-08-11 BR BR9303358A patent/BR9303358A/en not_active IP Right Cessation
- 1993-08-11 NO NO932850A patent/NO932850L/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPH06172916A (en) | 1994-06-21 |
ZW9893A1 (en) | 1993-09-15 |
CA2103843A1 (en) | 1994-02-12 |
FI933547A (en) | 1994-02-12 |
NO932850L (en) | 1994-02-14 |
EP0583164A1 (en) | 1994-02-16 |
FI933547A0 (en) | 1993-08-11 |
ZA935789B (en) | 1994-03-03 |
NO932850D0 (en) | 1993-08-11 |
KR950006013A (en) | 1995-03-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EE | Request for examination | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 9A , 10A , 11A, 12A , 13A , 14A , 15A , 16A E 17A ANUI DADES. |
|
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 9A, 10A, 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |