DE3316489C2 - - Google Patents

Info

Publication number
DE3316489C2
DE3316489C2 DE3316489A DE3316489A DE3316489C2 DE 3316489 C2 DE3316489 C2 DE 3316489C2 DE 3316489 A DE3316489 A DE 3316489A DE 3316489 A DE3316489 A DE 3316489A DE 3316489 C2 DE3316489 C2 DE 3316489C2
Authority
DE
Germany
Prior art keywords
vacuum
stage
pressure
molten steel
steel
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.)
Revoked
Application number
DE3316489A
Other languages
German (de)
English (en)
Other versions
DE3316489A1 (de
Inventor
Charles W. Evanston Ill. Us Finkl
Albert L. Glenview Ill. Us Lehman
Herbert S. Wilmette Ill. Us Philbrick Jun.
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.)
A Finkl & Sons Co Chicago Ill Us
Original Assignee
A Finkl & Sons Co Chicago Ill Us
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 A Finkl & Sons Co Chicago Ill Us filed Critical A Finkl & Sons Co Chicago Ill Us
Publication of DE3316489A1 publication Critical patent/DE3316489A1/de
Application granted granted Critical
Publication of DE3316489C2 publication Critical patent/DE3316489C2/de
Granted 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
    • 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
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle

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)
DE19833316489 1982-11-30 1983-05-05 Verfahren und vorrichtung zur stahlherstellung Granted DE3316489A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/445,600 US4541862A (en) 1982-11-30 1982-11-30 Ladle steelmaking method and apparatus

Publications (2)

Publication Number Publication Date
DE3316489A1 DE3316489A1 (de) 1984-05-30
DE3316489C2 true DE3316489C2 (enExample) 1991-09-12

Family

ID=23769536

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833316489 Granted DE3316489A1 (de) 1982-11-30 1983-05-05 Verfahren und vorrichtung zur stahlherstellung

Country Status (4)

Country Link
US (1) US4541862A (enExample)
JP (1) JPS59100208A (enExample)
DE (1) DE3316489A1 (enExample)
FR (1) FR2536764B1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810286A (en) * 1988-06-22 1989-03-07 Inland Steel Company Method for reducing dissolved oxygen and carbon contents in molten steel
US5085830A (en) * 1989-03-24 1992-02-04 Comalco Aluminum Limited Process for making aluminum-lithium alloys of high toughness
US5520718A (en) * 1994-09-02 1996-05-28 Inland Steel Company Steelmaking degassing method
US6110300A (en) * 1997-04-07 2000-08-29 A. Finkl & Sons Co. Tool for glass molding operations and method of manufacture thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236635A (en) * 1958-12-02 1966-02-22 Finkl & Sons Co Method for degassing molten metal
FR1359312A (fr) * 1963-03-14 1964-04-24 Siderurgie Fse Inst Rech Perfectionnements aux procédés de dégazage des métaux en fusion
US3501289A (en) * 1965-06-09 1970-03-17 Finkl & Sons Co Method and apparatus for adding heat to molten metal under vacuum
US3501290A (en) * 1966-08-29 1970-03-17 Finkl & Sons Co Method of treating molten metal with arc heat and vacuum
US3635696A (en) * 1968-05-21 1972-01-18 Finkl & Sons Co Treatment of molten metal using arc heat and vacuum
US3700429A (en) * 1970-01-05 1972-10-24 Allegheny Ludlum Steel Method of controlling vacuum decarburization
DE2205206C2 (de) * 1972-02-04 1987-01-08 A. Finkl & Sons Co., Chicago, Ill. Verfahren zur Entschwefelung von Stahl
JPS5029412A (enExample) * 1973-07-20 1975-03-25
JPS53106617A (en) * 1977-03-02 1978-09-16 Nippon Steel Corp Manufacture of molten killed steel for continuous casting
JPS5627577A (en) * 1979-08-13 1981-03-17 Hitachi Ltd Time-axis-variation correction unit

Also Published As

Publication number Publication date
FR2536764A1 (fr) 1984-06-01
DE3316489A1 (de) 1984-05-30
JPH0253483B2 (enExample) 1990-11-16
FR2536764B1 (fr) 1989-11-17
US4541862A (en) 1985-09-17
JPS59100208A (ja) 1984-06-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation