GB1331564A - Process for making chromium steels - Google Patents

Process for making chromium steels

Info

Publication number
GB1331564A
GB1331564A GB2204771A GB2204771A GB1331564A GB 1331564 A GB1331564 A GB 1331564A GB 2204771 A GB2204771 A GB 2204771A GB 2204771 A GB2204771 A GB 2204771A GB 1331564 A GB1331564 A GB 1331564A
Authority
GB
United Kingdom
Prior art keywords
per cent
propane
chromium steels
inert gas
making chromium
Prior art date
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
Application number
GB2204771A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisenwerke Gesellschaf Maximilianshuette mbH
Original Assignee
Eisenwerke Gesellschaf Maximilianshuette mbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eisenwerke Gesellschaf Maximilianshuette mbH filed Critical Eisenwerke Gesellschaf Maximilianshuette mbH
Publication of GB1331564A publication Critical patent/GB1331564A/en
Expired legal-status Critical Current

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)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
GB2204771A 1970-02-18 1971-04-19 Process for making chromium steels Expired GB1331564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702007373 DE2007373B2 (de) 1970-02-18 1970-02-18 Verfahren und konverter zum herstellen ferritischer chromstaehle

Publications (1)

Publication Number Publication Date
GB1331564A true GB1331564A (en) 1973-09-26

Family

ID=5762597

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2204771A Expired GB1331564A (en) 1970-02-18 1971-04-19 Process for making chromium steels
GB2209673A Expired GB1331565A (en) 1970-02-18 1971-04-19 Steel making converter

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2209673A Expired GB1331565A (en) 1970-02-18 1971-04-19 Steel making converter

Country Status (5)

Country Link
US (2) US3773496A (https=)
JP (1) JPS4942201B1 (https=)
DE (1) DE2007373B2 (https=)
FR (1) FR2130796A5 (https=)
GB (2) GB1331564A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4328330A4 (en) * 2021-05-26 2024-10-30 JFE Steel Corporation Method for refining molten iron

Families Citing this family (22)

* Cited by examiner, † Cited by third party
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 (de) * 1972-09-07 1974-03-28 Kloeckner Werke Ag Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle
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 (https=) * 1973-02-07 1975-10-31 Creusot Loire
SE371211B (https=) * 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 (https=) * 1973-12-31 1978-06-14
DE2538159C2 (de) * 1974-08-30 1984-08-09 USS Engineers and Consultants, Inc., Pittsburgh, Pa. Verfahren zum Frischen von Roheisen
FR2357648A1 (fr) * 1976-07-09 1978-02-03 Creusot Loire Convertisseur rotatif a chauffage et soufflage simultanes
FR2364975A1 (fr) * 1976-09-20 1978-04-14 Siderurgie Fse Inst Rech Procede d'elaboration, au convertisseur, d'acier inoxydable
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 (de) * 1978-05-16 1979-11-22 Baum Verfahrenstechnik Vorrichtung zum auffangen von konverterabgasen
EP0104841B1 (en) * 1982-09-23 1986-07-30 National Research Development Corporation Removing phosphorous from iron
US4783219A (en) * 1985-11-13 1988-11-08 Nippon Kokan Kabushiki Kaisha Method for melting and reducing chrome ore
CH668925A5 (de) * 1985-12-31 1989-02-15 Fischer Ag Georg Behandlungsgefaess zur behandlung von fluessigen metall-legierungen.
JPS62167811A (ja) * 1986-01-20 1987-07-24 Nippon Kokan Kk <Nkk> 溶融還元製鋼法
RU2150513C1 (ru) * 1998-11-02 2000-06-10 ОАО Челябинский металлургический комбинат "МЕЧЕЛ" Способ продувки высокохромистых сталей (процесс "мечел")
RU2268948C2 (ru) * 2004-03-02 2006-01-27 ОАО Челябинский металлургический комбинат "МЕЧЕЛ" Способ продувки высокохромистых сталей

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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 (de) * 1959-10-13 1962-07-25 Balzers Hochvakuum Ofen zum Behandeln von Metallschmelzen in Vakuum oder in Schutzgasatmosphäre
US3198624A (en) * 1961-08-24 1965-08-03 Interlake Steel Corp Process for the manufacture of stainless steel
NL296346A (https=) * 1962-08-07
AT237000B (de) * 1962-09-18 1964-11-25 Guszstahlwerk Witten Ag Verfahren zur Herstellung von legiertem Stahl
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 (de) * 1964-05-23 1972-01-27 Fried Krupp GmbH, 4300 Essen Verfahren zur ueberwachung und regelung der sauerstoffauf blasverfahren
FR1450718A (fr) * 1965-07-12 1966-06-24 Air Liquide Perfectionnements à des procédés métallurgiques
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4328330A4 (en) * 2021-05-26 2024-10-30 JFE Steel Corporation Method for refining molten iron

Also Published As

Publication number Publication date
FR2130796A5 (https=) 1972-11-10
JPS4942201B1 (https=) 1974-11-13
DE2007373B2 (de) 1973-05-03
DE2007373A1 (de) 1971-08-26
US3773496A (en) 1973-11-20
GB1331565A (en) 1973-09-26
US3796421A (en) 1974-03-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee