JPS5527426A - Ingot making method by head heating - Google Patents

Ingot making method by head heating

Info

Publication number
JPS5527426A
JPS5527426A JP9924478A JP9924478A JPS5527426A JP S5527426 A JPS5527426 A JP S5527426A JP 9924478 A JP9924478 A JP 9924478A JP 9924478 A JP9924478 A JP 9924478A JP S5527426 A JPS5527426 A JP S5527426A
Authority
JP
Japan
Prior art keywords
ingot
molten steel
steel
casting
casting mold
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
JP9924478A
Other languages
Japanese (ja)
Inventor
Takeshi Saeki
Koshiro Nonaka
Tadanobu Komai
Shigemi Fukuda
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP9924478A priority Critical patent/JPS5527426A/en
Publication of JPS5527426A publication Critical patent/JPS5527426A/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
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
    • B22D27/06—Heating the top discard of ingots

Landscapes

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

Abstract

PURPOSE:To prevent the production of internal defects such as porosity, etc. by defining the height-thickness ratio of steel ingot to the specified value or under and making the ingot. CONSTITUTION:Molten steel is poured into a casting mold 1 and slag 4 is dioposed in the upper part of the molten steel 2 in the frame 2 disposed in the upper part of the casting mold 1. Electrodes 5 are positioned in the slag 4 and while the molten steel 3 is being heated by supplying current thereto, the molten steel is allowed to freeze 6 chiefly from the bottom of the casting mold 1. At this casting, the thickness of the casting ingot is made height-thickness ratio 2.2 or under. This methods prevents the production of internal defects of the steel ingot and further prevents segregation, thus enabling the steel ingot of superior quality to be obtained.
JP9924478A 1978-08-15 1978-08-15 Ingot making method by head heating Pending JPS5527426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9924478A JPS5527426A (en) 1978-08-15 1978-08-15 Ingot making method by head heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9924478A JPS5527426A (en) 1978-08-15 1978-08-15 Ingot making method by head heating

Publications (1)

Publication Number Publication Date
JPS5527426A true JPS5527426A (en) 1980-02-27

Family

ID=14242274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9924478A Pending JPS5527426A (en) 1978-08-15 1978-08-15 Ingot making method by head heating

Country Status (1)

Country Link
JP (1) JPS5527426A (en)

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