FR2258454B1 - - Google Patents
Info
- Publication number
- FR2258454B1 FR2258454B1 FR7402186A FR7402186A FR2258454B1 FR 2258454 B1 FR2258454 B1 FR 2258454B1 FR 7402186 A FR7402186 A FR 7402186A FR 7402186 A FR7402186 A FR 7402186A FR 2258454 B1 FR2258454 B1 FR 2258454B1
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7402186A FR2258454A1 (en) | 1974-01-23 | 1974-01-23 | Oxygen converter for steel mfr - using two groups of tuyeres so a second gas can be added during de-phosphorisation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7402186A FR2258454A1 (en) | 1974-01-23 | 1974-01-23 | Oxygen converter for steel mfr - using two groups of tuyeres so a second gas can be added during de-phosphorisation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2258454A1 FR2258454A1 (en) | 1975-08-18 |
FR2258454B1 true FR2258454B1 (zh) | 1976-10-08 |
Family
ID=9133852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7402186A Granted FR2258454A1 (en) | 1974-01-23 | 1974-01-23 | Oxygen converter for steel mfr - using two groups of tuyeres so a second gas can be added during de-phosphorisation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2258454A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989004377A1 (en) * | 1987-11-12 | 1989-05-18 | Mannesmann Ag | Process for oxidizing treatment of steel |
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1974
- 1974-01-23 FR FR7402186A patent/FR2258454A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2258454A1 (en) | 1975-08-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |