ZA748219B - Method of refining steel - Google Patents
Method of refining steelInfo
- Publication number
- ZA748219B ZA748219B ZA00748219A ZA748219A ZA748219B ZA 748219 B ZA748219 B ZA 748219B ZA 00748219 A ZA00748219 A ZA 00748219A ZA 748219 A ZA748219 A ZA 748219A ZA 748219 B ZA748219 B ZA 748219B
- Authority
- ZA
- South Africa
- Prior art keywords
- refining steel
- refining
- steel
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000007670 refining Methods 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
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 (1)
| Publication Number | Publication Date |
|---|---|
| ZA748219B true ZA748219B (en) | 1975-12-31 |
Family
ID=23726949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00748219A ZA748219B (en) | 1974-01-21 | 1974-12-30 | Method of refining steel |
Country Status (21)
| Country | Link |
|---|---|
| US (2) | US3881917A (xx) |
| JP (1) | JPS5943529B2 (xx) |
| AR (1) | AR208189A1 (xx) |
| BE (1) | BE824414R (xx) |
| BR (1) | BR7500228A (xx) |
| CA (1) | CA998532A (xx) |
| DE (1) | DE2501546A1 (xx) |
| ES (1) | ES433980A2 (xx) |
| FR (1) | FR2258455B2 (xx) |
| GB (1) | GB1495821A (xx) |
| IE (1) | IE41162B1 (xx) |
| IN (1) | IN143511B (xx) |
| IT (1) | IT1049347B (xx) |
| LU (1) | LU71675A1 (xx) |
| NL (1) | NL7500463A (xx) |
| NO (1) | NO144493C (xx) |
| PL (1) | PL95274B3 (xx) |
| RO (1) | RO66553A (xx) |
| SE (1) | SE7500605L (xx) |
| YU (1) | YU39073B (xx) |
| ZA (1) | ZA748219B (xx) |
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 BR BR228/75A patent/BR7500228A/pt unknown
- 1975-01-14 NO NO750087A patent/NO144493C/no 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 ES ES433980A patent/ES433980A2/es not_active Expired
- 1975-01-20 YU YU00126/75A patent/YU39073B/xx unknown
- 1975-01-20 FR FR7501613A patent/FR2258455B2/fr not_active Expired
- 1975-01-20 PL PL1975177449A patent/PL95274B3/pl unknown
- 1975-01-20 JP JP50007904A patent/JPS5943529B2/ja not_active Expired
- 1975-01-20 LU LU71675A patent/LU71675A1/xx unknown
- 1975-01-20 IT IT19408/75A patent/IT1049347B/it active
- 1975-01-20 SE SE7500605A patent/SE7500605L/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
Also Published As
| Publication number | Publication date |
|---|---|
| NL7500463A (nl) | 1975-07-23 |
| SE7500605L (sv) | 1975-10-03 |
| RO66553A (ro) | 1982-04-12 |
| BR7500228A (pt) | 1975-11-04 |
| BE824414R (fr) | 1975-05-02 |
| NO144493C (no) | 1981-09-30 |
| YU12675A (en) | 1982-05-31 |
| NO144493B (no) | 1981-06-01 |
| GB1495821A (en) | 1977-12-21 |
| PL95274B3 (xx) | 1977-10-31 |
| US3881917A (en) | 1975-05-06 |
| IE41162L (en) | 1975-07-21 |
| JPS5943529B2 (ja) | 1984-10-23 |
| YU39073B (en) | 1984-04-30 |
| AR208189A1 (es) | 1976-12-09 |
| DE2501546A1 (de) | 1975-07-24 |
| NO750087L (xx) | 1975-08-18 |
| CA998532A (en) | 1976-10-19 |
| IE41162B1 (en) | 1979-11-07 |
| IN143511B (xx) | 1977-12-17 |
| IT1049347B (it) | 1981-01-20 |
| LU71675A1 (xx) | 1975-06-24 |
| ES433980A2 (es) | 1977-07-01 |
| USRE29567E (en) | 1978-03-07 |
| AU7715875A (en) | 1976-07-08 |
| JPS50104117A (xx) | 1975-08-16 |
| FR2258455B2 (xx) | 1979-06-08 |
| FR2258455A2 (xx) | 1975-08-18 |
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