FR2258455B2 - - Google Patents
Info
- Publication number
- FR2258455B2 FR2258455B2 FR7501613A FR7501613A FR2258455B2 FR 2258455 B2 FR2258455 B2 FR 2258455B2 FR 7501613 A FR7501613 A FR 7501613A FR 7501613 A FR7501613 A FR 7501613A FR 2258455 B2 FR2258455 B2 FR 2258455B2
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
-
- 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
- C21C5/28—Manufacture of steel in the converter
- C21C5/36—Processes yielding slags of special composition
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US435093A US3881917A (en) | 1974-01-21 | 1974-01-21 | Method of refining steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2258455A2 FR2258455A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-08-18 |
| FR2258455B2 true FR2258455B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-06-08 |
Family
ID=23726949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7501613A Expired FR2258455B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-21 | 1975-01-20 |
Country Status (21)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998624A (en) * | 1975-10-06 | 1976-12-21 | Mercier Corporation | Slag fluidizing agent and method of using same for iron and steel-making processes |
| AU6823981A (en) * | 1980-03-21 | 1981-10-15 | Nippon Steel Corporation | Multi-stage steel making |
| US6582491B2 (en) * | 1998-10-30 | 2003-06-24 | Midrex International, B.V. Rotterdam, Zurich Branch | Method for producing molten iron in duplex furnaces |
| CN113293252A (zh) * | 2021-04-29 | 2021-08-24 | 新余华峰特钢有限公司 | 一种新型转炉冶炼特殊钢方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2781256A (en) * | 1953-11-23 | 1957-02-12 | United States Steel Corp | Process for the rapid removal of sulphur and silicon from pig iron |
| US3802865A (en) * | 1969-08-29 | 1974-04-09 | Nippon Kokan Kk | Self soluble slag forming agents for use in steel making |
| US3799762A (en) * | 1971-05-17 | 1974-03-26 | Carad | Slag conditioner for iron and steel processes |
-
1974
- 1974-01-21 US US435093A patent/US3881917A/en not_active Expired - Lifetime
- 1974-12-30 ZA ZA00748219A patent/ZA748219B/xx unknown
-
1975
- 1975-01-01 AR AR257357A patent/AR208189A1/es active
- 1975-01-04 IN IN27/CAL/1975A patent/IN143511B/en unknown
- 1975-01-06 GB GB380/75A patent/GB1495821A/en not_active Expired
- 1975-01-09 CA CA217,767A patent/CA998532A/en not_active Expired
- 1975-01-14 NO NO750087A patent/NO144493C/no unknown
- 1975-01-14 BR BR228/75A patent/BR7500228A/pt unknown
- 1975-01-15 BE BE152406A patent/BE824414R/xx not_active IP Right Cessation
- 1975-01-15 NL NL7500463A patent/NL7500463A/xx not_active Application Discontinuation
- 1975-01-16 DE DE19752501546 patent/DE2501546A1/de active Pending
- 1975-01-20 LU LU71675A patent/LU71675A1/xx unknown
- 1975-01-20 SE SE7500605A patent/SE7500605L/xx unknown
- 1975-01-20 JP JP50007904A patent/JPS5943529B2/ja not_active Expired
- 1975-01-20 IT IT19408/75A patent/IT1049347B/it active
- 1975-01-20 ES ES433980A patent/ES433980A2/es not_active Expired
- 1975-01-20 FR FR7501613A patent/FR2258455B2/fr not_active Expired
- 1975-01-20 PL PL1975177449A patent/PL95274B3/pl unknown
- 1975-01-20 YU YU00126/75A patent/YU39073B/xx unknown
- 1975-01-21 IE IE119/75A patent/IE41162B1/xx unknown
- 1975-01-21 RO RO7581181A patent/RO66553A/ro unknown
-
1977
- 1977-02-24 US US05/771,782 patent/USRE29567E/en not_active Expired - Lifetime