FR2222438A1 - - Google Patents
Info
- Publication number
- FR2222438A1 FR2222438A1 FR7409952A FR7409952A FR2222438A1 FR 2222438 A1 FR2222438 A1 FR 2222438A1 FR 7409952 A FR7409952 A FR 7409952A FR 7409952 A FR7409952 A FR 7409952A FR 2222438 A1 FR2222438 A1 FR 2222438A1
- 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.)
- Granted
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
- C21C7/06—Deoxidising, e.g. killing
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2314843A DE2314843C2 (de) | 1973-03-24 | 1973-03-24 | Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2222438A1 true FR2222438A1 (ja) | 1974-10-18 |
| FR2222438B1 FR2222438B1 (ja) | 1977-09-23 |
Family
ID=5875854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7409952A Expired FR2222438B1 (ja) | 1973-03-24 | 1974-03-22 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3907547A (ja) |
| JP (1) | JPS5222887B2 (ja) |
| AT (1) | AT342633B (ja) |
| DE (1) | DE2314843C2 (ja) |
| FR (1) | FR2222438B1 (ja) |
| GB (1) | GB1462247A (ja) |
| IT (1) | IT1011609B (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187102A (en) * | 1978-08-24 | 1980-02-05 | Union Carbide Corporation | Method for controlling the temperature of the melt during pneumatic refining of steel |
| US4436553A (en) * | 1982-01-22 | 1984-03-13 | Union Carbide Corporation | Process to produce low hydrogen steel |
| DE3245098C2 (de) * | 1982-12-07 | 1990-06-21 | Klöckner-Werke AG, 4100 Duisburg | Zweistufiges Verfahren zum Herstellen von hochwertigen Stählen mit extrem niedrigen P- und S-Gehalten, die im Konverter vorgeschmolzen werden |
| JPS6393487A (ja) * | 1986-10-08 | 1988-04-23 | Yutaka Giken:Kk | ブレ−キデイスクの製造方法 |
| JPS6393488A (ja) * | 1986-10-08 | 1988-04-23 | Yutaka Giken:Kk | 溝付きブレ−キデイスクの製造方法 |
| CZ297553B6 (cs) * | 2005-09-15 | 2007-02-07 | Mittal Steel Ostrava A. S. | Zpusob legování nízkouhlíkové oceli dusíkem |
| CN109234488A (zh) * | 2018-09-06 | 2019-01-18 | 山西通才工贸有限公司 | 一种转炉炼钢热补偿方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1372730A (fr) * | 1963-09-04 | 1964-09-18 | Gussstahlwerk Witten Ag | Procédé d'élaboration d'aciers alliés |
| FR1592583A (ja) * | 1967-10-27 | 1970-05-19 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE610265A (ja) * | 1960-11-18 | |||
| US3336132A (en) * | 1964-03-09 | 1967-08-15 | Crucible Steel Co America | Stainless steel manufacturing process and equipment |
-
1973
- 1973-03-24 DE DE2314843A patent/DE2314843C2/de not_active Expired
-
1974
- 1974-03-21 IT IT67879/74A patent/IT1011609B/it active
- 1974-03-22 US US454035A patent/US3907547A/en not_active Expired - Lifetime
- 1974-03-22 FR FR7409952A patent/FR2222438B1/fr not_active Expired
- 1974-03-22 AT AT237874A patent/AT342633B/de not_active IP Right Cessation
- 1974-03-22 GB GB1296574A patent/GB1462247A/en not_active Expired
- 1974-03-23 JP JP49032270A patent/JPS5222887B2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1372730A (fr) * | 1963-09-04 | 1964-09-18 | Gussstahlwerk Witten Ag | Procédé d'élaboration d'aciers alliés |
| FR1592583A (ja) * | 1967-10-27 | 1970-05-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5222887B2 (ja) | 1977-06-21 |
| IT1011609B (it) | 1977-02-10 |
| US3907547A (en) | 1975-09-23 |
| JPS49127810A (ja) | 1974-12-06 |
| FR2222438B1 (ja) | 1977-09-23 |
| AT342633B (de) | 1978-04-10 |
| DE2314843B1 (de) | 1974-06-06 |
| ATA237874A (de) | 1977-08-15 |
| GB1462247A (en) | 1977-01-19 |
| DE2314843C2 (de) | 1975-01-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |