JPS5775271A - Continuous casting method for steel - Google Patents

Continuous casting method for steel

Info

Publication number
JPS5775271A
JPS5775271A JP15135780A JP15135780A JPS5775271A JP S5775271 A JPS5775271 A JP S5775271A JP 15135780 A JP15135780 A JP 15135780A JP 15135780 A JP15135780 A JP 15135780A JP S5775271 A JPS5775271 A JP S5775271A
Authority
JP
Japan
Prior art keywords
molten steel
ingot
superior
stirring
parts
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
JP15135780A
Other languages
Japanese (ja)
Inventor
Toshio Masaoka
Taizo Sera
Shinobu Miyahara
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 Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP15135780A priority Critical patent/JPS5775271A/en
Publication of JPS5775271A publication Critical patent/JPS5775271A/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
    • B22D11/114—Treating the molten metal by using agitating or vibrating means
    • B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields

Landscapes

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

Abstract

PURPOSE:To prevent the formation of V segregation and to produce an ingot of superior quality by stirring the molten steel in a mold near its meniscus electromagnetically, and further stirring the molten steel in the unsolidified parts in a secondary cooling zone electromagnetically. CONSTITUTION:The molten steel in a mold near its meniscus is stirred by a primary electromagnetic stirrer 2, by which a large amt. of crystal nuclei necessary for obtaining fine isometric crystal structure are formed in the molten steel in the mold. A large amt. of such crystal nuclei are fed efficiently down to the final solidified parts by the stirring of the unsolidified parts by means of a secondary electromagnetic stirrer 3, and consequently the superior ingot structure is obtained. Thereby, the formation of V segregation and white bands is obviated and since high isometric crystal grains are obtained, the fine cast structure is obtained and the superior ingot product is cast.
JP15135780A 1980-10-30 1980-10-30 Continuous casting method for steel Pending JPS5775271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15135780A JPS5775271A (en) 1980-10-30 1980-10-30 Continuous casting method for steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15135780A JPS5775271A (en) 1980-10-30 1980-10-30 Continuous casting method for steel

Publications (1)

Publication Number Publication Date
JPS5775271A true JPS5775271A (en) 1982-05-11

Family

ID=15516770

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15135780A Pending JPS5775271A (en) 1980-10-30 1980-10-30 Continuous casting method for steel

Country Status (1)

Country Link
JP (1) JPS5775271A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109622903A (en) * 2019-01-18 2019-04-16 山东钢铁股份有限公司 A kind of control method of pinion steel rectangular bloom solidified inside tissue
CN115488302A (en) * 2022-09-26 2022-12-20 攀钢集团攀枝花钢铁研究院有限公司 Method for improving hardness gradient of section of steel rail head and steel rail head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109622903A (en) * 2019-01-18 2019-04-16 山东钢铁股份有限公司 A kind of control method of pinion steel rectangular bloom solidified inside tissue
CN109622903B (en) * 2019-01-18 2021-03-09 山东钢铁股份有限公司 Control method for internal solidification structure of rectangular gear steel blank
CN115488302A (en) * 2022-09-26 2022-12-20 攀钢集团攀枝花钢铁研究院有限公司 Method for improving hardness gradient of section of steel rail head and steel rail head

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