GB1288336A - - Google Patents

Info

Publication number
GB1288336A
GB1288336A GB466670A GB466670A GB1288336A GB 1288336 A GB1288336 A GB 1288336A GB 466670 A GB466670 A GB 466670A GB 466670 A GB466670 A GB 466670A GB 1288336 A GB1288336 A GB 1288336A
Authority
GB
United Kingdom
Prior art keywords
oxygen
vacuum chamber
chamber
refining
pressure
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
GB466670A
Other languages
English (en)
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 filed Critical
Publication of GB1288336A publication Critical patent/GB1288336A/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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
GB466670A 1969-01-30 1970-01-30 Expired GB1288336A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691904442 DE1904442B2 (de) 1969-01-30 1969-01-30 Verfahren zum vakuumfrischen von metallschmelzen

Publications (1)

Publication Number Publication Date
GB1288336A true GB1288336A (xx) 1972-09-06

Family

ID=5723740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB466670A Expired GB1288336A (xx) 1969-01-30 1970-01-30

Country Status (6)

Country Link
US (1) US3759700A (xx)
JP (1) JPS543121B1 (xx)
DE (1) DE1904442B2 (xx)
FR (1) FR2029665B1 (xx)
GB (1) GB1288336A (xx)
SE (1) SE363846B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294611A (en) * 1978-10-04 1981-10-13 Vasipari Kutato Intezet Process and apparatus for reducing the inclusion content of steels and for refining their structure
AU622678B2 (en) * 1988-06-21 1992-04-16 Kawasaki Steel Corporation Process for vacuum degassing and decarbonization with temperature drop compensating feature

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL155487B (nl) * 1965-07-22 1978-01-16 Textron Inc Vulpen of dergelijk schrijf- of markeerinstrument.
JPS5442211A (en) * 1977-09-09 1979-04-04 Yoshio Midorikawa Feltttip pen and method and device for making said pen
EP0328851A1 (en) * 1988-02-16 1989-08-23 Acciaierie E Ferriere Lombarde Falck S.P.A. An apparatus for decarbonizing steels directly in the ladle
AU653294B2 (en) * 1992-08-26 1994-09-22 Nippon Steel Corporation Process for vacuum degassing molten steel
DE4442362C1 (de) * 1994-11-18 1996-04-18 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093666A (en) * 1934-11-23 1937-09-21 Wacker Chemie Gmbh Process for treating iron and iron alloys
AT174069B (de) * 1950-01-31 1953-02-25 Voest Ag Verfahren zur Herstellung von technisch reinem Eisen
DE975922C (de) * 1951-03-17 1962-12-13 Oesterr Alpine Montan Verfahren zum Verblasen von Roheisen, bei welchem Sauerstoff mit einer Blasduese von oben auf die Badoberflaeche aufgeblasen wird
GB761657A (en) * 1953-01-15 1956-11-21 Oesterr Alpine Montan Improvements in methods for blowing metal baths, particularly pig iron baths
DE1216904B (de) * 1957-04-03 1966-05-18 Heraeus Gmbh W C Verfahren zum Vakuumentgasen von geschmolzenen Metallen, insbesondere Stahl
DE1804748U (de) * 1958-02-22 1960-01-28 Hoerder Huettenunion Ag Vorrichtung zum entgasen von stahlschmelzen.
FR1238058A (fr) * 1958-10-11 1960-08-05 Suedwestfalen Ag Stahlwerke Procédé pour l'obtention de bains de fusion de métaux fortement alliés
DE1194886B (de) * 1960-06-24 1965-06-16 Beteiligungs & Patentverw Gmbh Verfahren zum Frischen von Roheisen, insbesondere solchem mit hohem Phosphorgehalt
FR1277441A (fr) * 1960-10-22 1961-12-01 Siderurgie Fse Inst Rech Perfectionnements au traitement de l'acier sous vide
GB1027115A (en) * 1963-06-25 1966-04-20 Allegheny Ludlum Steel Improvements in or relating to a process for producing corrosion-resisting steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294611A (en) * 1978-10-04 1981-10-13 Vasipari Kutato Intezet Process and apparatus for reducing the inclusion content of steels and for refining their structure
AU622678B2 (en) * 1988-06-21 1992-04-16 Kawasaki Steel Corporation Process for vacuum degassing and decarbonization with temperature drop compensating feature

Also Published As

Publication number Publication date
FR2029665B1 (xx) 1974-08-09
SE363846B (xx) 1974-02-04
JPS543121B1 (xx) 1979-02-19
DE1904442A1 (de) 1970-09-03
FR2029665A1 (xx) 1970-10-23
DE1904442B2 (de) 1978-01-19
US3759700A (en) 1973-09-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years