JPS4942201B1 - - Google Patents
Info
- Publication number
- JPS4942201B1 JPS4942201B1 JP46007133A JP713371A JPS4942201B1 JP S4942201 B1 JPS4942201 B1 JP S4942201B1 JP 46007133 A JP46007133 A JP 46007133A JP 713371 A JP713371 A JP 713371A JP S4942201 B1 JPS4942201 B1 JP S4942201B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C21C5/005—Manufacture of stainless steel
-
- 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
- C21C5/34—Blowing through the bath
-
- 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
-
- 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
- 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)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702007373 DE2007373B2 (en) | 1970-02-18 | 1970-02-18 | PROCESS AND CONVERTER FOR MANUFACTURING FERRITIC CHROME STEEL |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4942201B1 true JPS4942201B1 (en) | 1974-11-13 |
Family
ID=5762597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP46007133A Pending JPS4942201B1 (en) | 1970-02-18 | 1971-02-18 |
Country Status (5)
Country | Link |
---|---|
US (2) | US3773496A (en) |
JP (1) | JPS4942201B1 (en) |
DE (1) | DE2007373B2 (en) |
FR (1) | FR2130796A5 (en) |
GB (2) | GB1331565A (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4139370A (en) * | 1972-01-13 | 1979-02-13 | Gesellschaft Fur Elektrometallurgie Mbh | Method of refining ferro-alloys |
DE2243839A1 (en) * | 1972-09-07 | 1974-03-28 | Kloeckner Werke Ag | PROCESS FOR MANUFACTURING LOW CARBON HIGH CHROMIC FERRITIC STEEL |
FR2202162A1 (en) * | 1972-10-06 | 1974-05-03 | Uddeholms Ab | Decarburising converter linings wear reduction - for decarburising molten masses with high chrome contents, esp. stainless steel |
FR2216362B1 (en) * | 1973-02-07 | 1975-10-31 | Creusot Loire | |
SE371211B (en) * | 1973-03-12 | 1974-11-11 | Uddeholms Ab | |
CA1014753A (en) * | 1973-03-30 | 1977-08-02 | Karl Brotzmann | Process for lowering the iron content in nickel melts |
US3854932A (en) * | 1973-06-18 | 1974-12-17 | Allegheny Ludlum Ind Inc | Process for production of stainless steel |
US4001012A (en) * | 1973-11-28 | 1977-01-04 | United States Steel Corporation | Method of producing stainless steel |
JPS5318323B2 (en) * | 1973-12-31 | 1978-06-14 | ||
FR2283229A1 (en) * | 1974-08-30 | 1976-03-26 | Uss Eng & Consult | PROCESS FOR PRODUCING LOW NITROGEN STEEL |
FR2357648A1 (en) * | 1976-07-09 | 1978-02-03 | Creusot Loire | ROTARY CONVERTER WITH SIMULTANEOUS HEATING AND BLOWING |
FR2364975A1 (en) * | 1976-09-20 | 1978-04-14 | Siderurgie Fse Inst Rech | PROCESS FOR THE PREPARATION, IN THE CONVERTER, OF STAINLESS STEEL |
JPS5394214A (en) * | 1977-01-31 | 1978-08-18 | Kawasaki Steel Co | Denitriding method of high chrome molten steel with small chrome loss |
JPS5394212A (en) * | 1977-01-31 | 1978-08-18 | Kawasaki Steel Co | Method of making ultralowwcarbon*highh nitrogen chrome steel |
US4174212A (en) * | 1978-03-10 | 1979-11-13 | A. Finkl & Sons Co. | Method for the refining of steel |
DE2821379A1 (en) * | 1978-05-16 | 1979-11-22 | Baum Verfahrenstechnik | DEVICE FOR COLLECTING CONVERTER EXHAUST GAS |
DE3364969D1 (en) * | 1982-09-23 | 1986-09-04 | Nat Res Dev | Removing phosphorous from iron |
US4783219A (en) * | 1985-11-13 | 1988-11-08 | Nippon Kokan Kabushiki Kaisha | Method for melting and reducing chrome ore |
CH668925A5 (en) * | 1985-12-31 | 1989-02-15 | Fischer Ag Georg | TREATMENT VESSEL FOR TREATMENT OF LIQUID METAL ALLOYS. |
JPS62167811A (en) * | 1986-01-20 | 1987-07-24 | Nippon Kokan Kk <Nkk> | Melt reduction steel making method |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US84336A (en) * | 1868-11-24 | John abstee | ||
US2068785A (en) * | 1933-11-20 | 1937-01-26 | United States Steel Corp | Method of manufacturing low carbon steel |
US2093666A (en) * | 1934-11-23 | 1937-09-21 | Wacker Chemie Gmbh | Process for treating iron and iron alloys |
US2182064A (en) * | 1935-10-31 | 1939-12-05 | Wacker Chemie Gmbh | Apparatus for treating matters in hot liquid state |
US2265511A (en) * | 1937-12-08 | 1941-12-09 | Brassert & Co | Bessemer converter |
US2855293A (en) * | 1955-03-21 | 1958-10-07 | Air Liquide | Method and apparatus for treating molten metal with oxygen |
US3252790A (en) * | 1956-06-27 | 1966-05-24 | Union Carbide Corp | Preparation of metals and alloys |
GB882676A (en) * | 1958-01-29 | 1961-11-15 | British Oxygen Co Ltd | Treatment of ferrous material |
GB861238A (en) * | 1958-02-03 | 1961-02-15 | Arbed | Process for making steel |
AT222377B (en) * | 1959-10-13 | 1962-07-25 | Balzers Hochvakuum | Furnace for treating metal melts in a vacuum or in a protective gas atmosphere |
US3198624A (en) * | 1961-08-24 | 1965-08-03 | Interlake Steel Corp | Process for the manufacture of stainless steel |
NL296346A (en) * | 1962-08-07 | |||
AT237000B (en) * | 1962-09-18 | 1964-11-25 | Guszstahlwerk Witten Ag | Process for the production of alloy steel |
US3325160A (en) * | 1963-03-06 | 1967-06-13 | Asea Ab | Vacuum-enclosed tiltable furnace |
US3336132A (en) * | 1964-03-09 | 1967-08-15 | Crucible Steel Co America | Stainless steel manufacturing process and equipment |
DE1433443B2 (en) * | 1964-05-23 | 1972-01-27 | Fried Krupp GmbH, 4300 Essen | PROCEDURES FOR MONITORING AND CONTROLLING THE OXYGEN FILLING PROCESS |
FR1450718A (en) * | 1965-07-12 | 1966-06-24 | Air Liquide | Improvements in metallurgical processes |
US3420657A (en) * | 1966-02-14 | 1969-01-07 | Union Carbide Corp | Oxygen treatment of chromium alloys |
US3501290A (en) * | 1966-08-29 | 1970-03-17 | Finkl & Sons Co | Method of treating molten metal with arc heat and vacuum |
GB1253581A (en) * | 1968-02-24 | 1971-11-17 | Maximilianshuette Eisenwerk | Improvements in processes and apparatus for making steel |
US3594155A (en) * | 1968-10-30 | 1971-07-20 | Allegheny Ludlum Steel | Method for dynamically controlling decarburization of steel |
US3507642A (en) * | 1969-06-02 | 1970-04-21 | Allegheny Ludlum Steel | Process for producing corrosion resistant steel |
-
1970
- 1970-02-18 DE DE19702007373 patent/DE2007373B2/en active Pending
-
1971
- 1971-02-17 FR FR7105317A patent/FR2130796A5/fr not_active Expired
- 1971-02-18 JP JP46007133A patent/JPS4942201B1/ja active Pending
- 1971-02-18 US US00116447A patent/US3773496A/en not_active Expired - Lifetime
- 1971-04-19 GB GB2209673A patent/GB1331565A/en not_active Expired
- 1971-04-19 GB GB2204771A patent/GB1331564A/en not_active Expired
-
1972
- 1972-11-02 US US00303161A patent/US3796421A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3796421A (en) | 1974-03-12 |
DE2007373A1 (en) | 1971-08-26 |
US3773496A (en) | 1973-11-20 |
DE2007373B2 (en) | 1973-05-03 |
FR2130796A5 (en) | 1972-11-10 |
GB1331564A (en) | 1973-09-26 |
GB1331565A (en) | 1973-09-26 |