FR2001274B1 - - Google Patents
Info
- Publication number
- FR2001274B1 FR2001274B1 FR6902474A FR6902474A FR2001274B1 FR 2001274 B1 FR2001274 B1 FR 2001274B1 FR 6902474 A FR6902474 A FR 6902474A FR 6902474 A FR6902474 A FR 6902474A FR 2001274 B1 FR2001274 B1 FR 2001274B1
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- 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
- C21C7/068—Decarburising
-
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB540968 | 1968-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2001274A1 FR2001274A1 (fr) | 1969-09-26 |
| FR2001274B1 true FR2001274B1 (es) | 1974-05-03 |
Family
ID=9795642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6902474A Granted FR2001274A1 (fr) | 1968-02-02 | 1969-01-30 | Procede d'affinage des aciers |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE727735A (es) |
| CH (1) | CH519024A (es) |
| DE (1) | DE1904914A1 (es) |
| ES (1) | ES363201A1 (es) |
| FR (1) | FR2001274A1 (es) |
| GB (1) | GB1259275A (es) |
| HK (1) | HK56477A (es) |
| NO (1) | NO128331B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212665A (en) * | 1978-07-27 | 1980-07-15 | Special Metals Corporation | Decarburization of metallic alloys |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR564035A (fr) * | 1922-03-17 | 1923-12-19 | Procédé d'affinage des alliages ferreux à faible teneur en carbone | |
| FR565353A (fr) * | 1922-04-25 | 1924-01-25 | Perfectionnements dans l'extraction et l'affinage des métaux et des alliages |
-
1968
- 1968-02-02 GB GB540968A patent/GB1259275A/en not_active Expired
-
1969
- 1969-01-30 FR FR6902474A patent/FR2001274A1/fr active Granted
- 1969-01-31 CH CH157169A patent/CH519024A/fr not_active IP Right Cessation
- 1969-01-31 DE DE19691904914 patent/DE1904914A1/de active Pending
- 1969-01-31 NO NO00371/69A patent/NO128331B/no unknown
- 1969-01-31 BE BE727735D patent/BE727735A/xx unknown
- 1969-02-01 ES ES363201A patent/ES363201A1/es not_active Expired
-
1977
- 1977-11-10 HK HK564/77A patent/HK56477A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE727735A (es) | 1969-07-01 |
| GB1259275A (es) | 1972-01-05 |
| CH519024A (fr) | 1972-02-15 |
| FR2001274A1 (fr) | 1969-09-26 |
| NO128331B (es) | 1973-10-29 |
| DE1904914A1 (de) | 1972-02-17 |
| ES363201A1 (es) | 1970-12-01 |
| HK56477A (en) | 1977-11-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |