JPS57199548A - Production of low-carbon killed steel by continuous casting method - Google Patents

Production of low-carbon killed steel by continuous casting method

Info

Publication number
JPS57199548A
JPS57199548A JP8364181A JP8364181A JPS57199548A JP S57199548 A JPS57199548 A JP S57199548A JP 8364181 A JP8364181 A JP 8364181A JP 8364181 A JP8364181 A JP 8364181A JP S57199548 A JPS57199548 A JP S57199548A
Authority
JP
Japan
Prior art keywords
molten steel
mold
flux
ladle
oxidation
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.)
Pending
Application number
JP8364181A
Other languages
Japanese (ja)
Inventor
Yasuhiko Oota
Takeshi Hanazono
Wataru Takagi
Tadashi Saito
Toshiyasu Onishi
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP8364181A priority Critical patent/JPS57199548A/en
Publication of JPS57199548A publication Critical patent/JPS57199548A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Continuous Casting (AREA)

Abstract

PURPOSE:To produce low-carbon killed steel of less inclusions and particularly high subcutaneous flaw reducing effect by cleaning molten steel contg. C at a prescribed value or below then supplying the same together with a flux into a mold for casting and drawing it out continuously at specific drawing speeds under electromagnetic induction agitation. CONSTITUTION:The molten steel contg. <=0.25% C is tapped into a ladle, and is cleaned, after which this molten steel is thoroughly sealed by Ar between the ladle and a tundish and a mold, whereby it is held in an oxidation-free state. Said molten steel which is prevented of the formation of inclusions during casting by the oxidation-free state is supplied continuously through an immersion nozzle into the mold and a flux is charged thereto. While the molten steel in this state is electromagnetically agitated by the magnetic field induced by the AC applied from an electromagnetic coil provided on the mold walls, it is drawn out continuously downward at 0.7-3.0m/sec drawing speeds and is solidified. The frequency of the AC in this case is f=1.5-10.0Hz, and the magnetic flux density G is in the range shown by the equation.
JP8364181A 1981-05-30 1981-05-30 Production of low-carbon killed steel by continuous casting method Pending JPS57199548A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8364181A JPS57199548A (en) 1981-05-30 1981-05-30 Production of low-carbon killed steel by continuous casting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8364181A JPS57199548A (en) 1981-05-30 1981-05-30 Production of low-carbon killed steel by continuous casting method

Publications (1)

Publication Number Publication Date
JPS57199548A true JPS57199548A (en) 1982-12-07

Family

ID=13808070

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8364181A Pending JPS57199548A (en) 1981-05-30 1981-05-30 Production of low-carbon killed steel by continuous casting method

Country Status (1)

Country Link
JP (1) JPS57199548A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5134460A (en) * 1974-07-22 1976-03-24 Usinor Denjikakuhanhoho oyobi sochi
JPS5297327A (en) * 1976-02-11 1977-08-16 Siderurgie Fse Inst Rech Method of electromagnetic centrifugal casting of molten metal
JPS53142924A (en) * 1977-05-18 1978-12-13 Siderurgie Fse Inst Rech Continuous centrifugal casting method of metal product and its device
JPS54100928A (en) * 1968-07-31 1979-08-09 Siderurgie Fse Inst Rech Electromagnetic rotation type continuous casting method by impregnating nozzle and coating layer
JPS5536095A (en) * 1978-09-04 1980-03-13 Rotelec Sa Continuous casting method of melting metal and its device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100928A (en) * 1968-07-31 1979-08-09 Siderurgie Fse Inst Rech Electromagnetic rotation type continuous casting method by impregnating nozzle and coating layer
JPS5134460A (en) * 1974-07-22 1976-03-24 Usinor Denjikakuhanhoho oyobi sochi
JPS5297327A (en) * 1976-02-11 1977-08-16 Siderurgie Fse Inst Rech Method of electromagnetic centrifugal casting of molten metal
JPS53142924A (en) * 1977-05-18 1978-12-13 Siderurgie Fse Inst Rech Continuous centrifugal casting method of metal product and its device
JPS5536095A (en) * 1978-09-04 1980-03-13 Rotelec Sa Continuous casting method of melting metal and its device

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