FR2194783B1 - - Google Patents
Info
- Publication number
- FR2194783B1 FR2194783B1 FR7327265A FR7327265A FR2194783B1 FR 2194783 B1 FR2194783 B1 FR 2194783B1 FR 7327265 A FR7327265 A FR 7327265A FR 7327265 A FR7327265 A FR 7327265A FR 2194783 B1 FR2194783 B1 FR 2194783B1
- 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
- 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
- C21C7/072—Treatment with gases
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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722237498 DE2237498B2 (en) | 1972-07-31 | 1972-07-31 | Method for embroidering molten steel |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2194783A1 FR2194783A1 (en) | 1974-03-01 |
FR2194783B1 true FR2194783B1 (en) | 1976-06-18 |
Family
ID=5852169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7327265A Granted FR2194783A1 (en) | 1972-07-31 | 1973-07-25 | Nitrogen contg steel - by adding nitrogen to oxygen during final blowing of melt |
Country Status (7)
Country | Link |
---|---|
AT (1) | ATA621873A (en) |
BE (1) | BE802933A (en) |
DE (1) | DE2237498B2 (en) |
FR (1) | FR2194783A1 (en) |
IT (1) | IT992669B (en) |
LU (1) | LU68045A1 (en) |
NL (1) | NL7310568A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081270A (en) * | 1977-04-11 | 1978-03-28 | Union Carbide Corporation | Renitrogenation of basic-oxygen steels during decarburization |
US5417739A (en) * | 1993-12-30 | 1995-05-23 | Ltv Steel Company, Inc. | Method of making high nitrogen content steel |
DE102014112286A1 (en) | 2014-08-27 | 2016-03-03 | Thyssenkrupp Ag | Method for producing an embroidered packaging steel |
DE102014116929B3 (en) | 2014-11-19 | 2015-11-05 | Thyssenkrupp Ag | Method for producing an embroidered packaging steel, cold rolled flat steel product and apparatus for recrystallizing annealing and embroidering a flat steel product |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1066746A (en) * | 1951-11-23 | 1954-06-09 | Voest Ag | Process for the production of an unstabilized steel rich in nitrogen and free from gas bubbles, intended for automatic lathes and similar machine tools |
-
1972
- 1972-07-31 DE DE19722237498 patent/DE2237498B2/en active Pending
-
1973
- 1973-07-13 AT AT621873A patent/ATA621873A/en not_active Application Discontinuation
- 1973-07-18 LU LU68045D patent/LU68045A1/xx unknown
- 1973-07-25 FR FR7327265A patent/FR2194783A1/en active Granted
- 1973-07-25 IT IT2701773A patent/IT992669B/en active
- 1973-07-30 BE BE2052955A patent/BE802933A/en unknown
- 1973-07-31 NL NL7310568A patent/NL7310568A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
LU68045A1 (en) | 1973-09-26 |
NL7310568A (en) | 1974-02-04 |
ATA621873A (en) | 1975-05-15 |
DE2237498A1 (en) | 1974-02-14 |
FR2194783A1 (en) | 1974-03-01 |
IT992669B (en) | 1975-09-30 |
DE2237498B2 (en) | 1974-07-25 |
BE802933A (en) | 1973-11-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |