JPS5614053A - Casting method of rimmed steel ingot - Google Patents

Casting method of rimmed steel ingot

Info

Publication number
JPS5614053A
JPS5614053A JP8955379A JP8955379A JPS5614053A JP S5614053 A JPS5614053 A JP S5614053A JP 8955379 A JP8955379 A JP 8955379A JP 8955379 A JP8955379 A JP 8955379A JP S5614053 A JPS5614053 A JP S5614053A
Authority
JP
Japan
Prior art keywords
mold
steel
temperature
pouring
casting
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
JP8955379A
Other languages
Japanese (ja)
Inventor
Ryuichi Asaho
Masaaki Kuga
Genpei Yaji
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 JP8955379A priority Critical patent/JPS5614053A/en
Publication of JPS5614053A publication Critical patent/JPS5614053A/en
Pending legal-status Critical Current

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  • Continuous Casting (AREA)

Abstract

PURPOSE: To improve the quality of the one having been cast first by heating the mold and molding board to be used for the first ingotting prior to pouring at the time of casting molten rimmed steel into a top pouring mold.
CONSTITUTION: Since the rimmed steel ingot obtained by the mold used for the first ingotting becomes a product of poor quality, the mold temperature is raised up to a predetermined temperature just before casting to prevent the drop in molten steel pouring temperature. For example, at the time of casting molten rimmed steel into the molds to used for the first and subsequent order, the temperature is so controlled that its pouring temperature becomes 1555°C. Said first mold is heated for 30 minutes by using a burner to heat the mold inside and the molding board, after which casting is performed. As a result, the rimming decision of the steel ingot is middle and the results of the formation of super flaws of this steel plate becomes good, thus the defective steel ingots are eliminated at all.
COPYRIGHT: (C)1981,JPO&Japio
JP8955379A 1979-07-14 1979-07-14 Casting method of rimmed steel ingot Pending JPS5614053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8955379A JPS5614053A (en) 1979-07-14 1979-07-14 Casting method of rimmed steel ingot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8955379A JPS5614053A (en) 1979-07-14 1979-07-14 Casting method of rimmed steel ingot

Publications (1)

Publication Number Publication Date
JPS5614053A true JPS5614053A (en) 1981-02-10

Family

ID=13974006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8955379A Pending JPS5614053A (en) 1979-07-14 1979-07-14 Casting method of rimmed steel ingot

Country Status (1)

Country Link
JP (1) JPS5614053A (en)

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