JPS5719142A - Manufacture of continuous ingot superior in surface characteristic - Google Patents

Manufacture of continuous ingot superior in surface characteristic

Info

Publication number
JPS5719142A
JPS5719142A JP9279080A JP9279080A JPS5719142A JP S5719142 A JPS5719142 A JP S5719142A JP 9279080 A JP9279080 A JP 9279080A JP 9279080 A JP9279080 A JP 9279080A JP S5719142 A JPS5719142 A JP S5719142A
Authority
JP
Japan
Prior art keywords
casting
mold
continuous
unstable
surface characteristic
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
JP9279080A
Other languages
Japanese (ja)
Inventor
Suketsugu Mishiro
Takuo Imai
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP9279080A priority Critical patent/JPS5719142A/en
Publication of JPS5719142A publication Critical patent/JPS5719142A/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
    • B22D11/111—Treating the molten metal by using protecting powders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

PURPOSE:To prevent surface defection of an ingot even in an unstationary state wherein casting is unstable by peheating mold powder and then by supplying it in the preheated state to a mold for continuous casting. CONSTITUTION:In the case of continuously casting molten steel, in the initial period of casting or at the times f exchanging a tundish, exchanging with the steel of different type and starting to cast the continuous casting speed decreases and the temperature of molten steel drops to make the casting operation unstable. Under such unstable conditions, the mold flux is preheated within a range of maintaining the chemical composition and immediately is supplied to a mold to start casting. The above-mentioned manner of continuous casting maintains the fusibility of molten powder and assures higher quality of continuous ingots excellent in the surface characteristic.
JP9279080A 1980-07-09 1980-07-09 Manufacture of continuous ingot superior in surface characteristic Pending JPS5719142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9279080A JPS5719142A (en) 1980-07-09 1980-07-09 Manufacture of continuous ingot superior in surface characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9279080A JPS5719142A (en) 1980-07-09 1980-07-09 Manufacture of continuous ingot superior in surface characteristic

Publications (1)

Publication Number Publication Date
JPS5719142A true JPS5719142A (en) 1982-02-01

Family

ID=14064207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9279080A Pending JPS5719142A (en) 1980-07-09 1980-07-09 Manufacture of continuous ingot superior in surface characteristic

Country Status (1)

Country Link
JP (1) JPS5719142A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04143053A (en) * 1990-10-05 1992-05-18 Sumitomo Metal Ind Ltd Method and device for heating and supplying mold powder for continuous casting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04143053A (en) * 1990-10-05 1992-05-18 Sumitomo Metal Ind Ltd Method and device for heating and supplying mold powder for continuous casting

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