KR920009480A - Continuous Casting Method of High Oxygen Limed Steel - Google Patents

Continuous Casting Method of High Oxygen Limed Steel Download PDF

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Publication number
KR920009480A
KR920009480A KR1019900019341A KR900019341A KR920009480A KR 920009480 A KR920009480 A KR 920009480A KR 1019900019341 A KR1019900019341 A KR 1019900019341A KR 900019341 A KR900019341 A KR 900019341A KR 920009480 A KR920009480 A KR 920009480A
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KR
South Korea
Prior art keywords
continuous casting
steel
high oxygen
casting method
limed
Prior art date
Application number
KR1019900019341A
Other languages
Korean (ko)
Other versions
KR930000842B1 (en
Inventor
박병곤
최인섭
정관표
Original Assignee
정명식
포항종합제철 주식회사
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.)
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Publication date
Application filed by 정명식, 포항종합제철 주식회사 filed Critical 정명식
Priority to KR1019900019341A priority Critical patent/KR930000842B1/en
Publication of KR920009480A publication Critical patent/KR920009480A/en
Application granted granted Critical
Publication of KR930000842B1 publication Critical patent/KR930000842B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising

Abstract

내용 없음.No content.

Description

고산소 림드강의 연속주조방법Continuous Casting Method of High Oxygen Limed Steel

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도 본 발명에 따르는 핀홀(Pin Hole)발생의 방지를 나타내는 C-0의 관계도.1 is a relation diagram of C-0 showing prevention of pin hole generation according to the present invention.

Claims (1)

전로취련후 진공탈개스 처리 및 버블링(Bubbling)처리를 하고 연속주조하여 림드강을 제조하는 방법에 있어서, 탄소함량이 0.1wt%이하, 용강온도 1600℃이상으로 전로취련된 용강을 미탈산 출강한 다음, 진공탑가스장치를 이용하여 탄소농도가 100ppm이하이고, 동시에 〔0〕f가 30ppm이상이 되도록 탈탄 및 탈산처리를 한후, 턴디쉬내에는 탄소함량이 3.0wt%이고, 몰드내에는 탄소함량이 1·0wt%이하인 자재를 사용하여 연속주조하는 것을 특징으로 하는 고산소 림드강의 연속주조방법.In the method of manufacturing a rim steel by vacuum degassing, bubbling, and continuous casting after the converter is blown, the molten steel with the carbon content of 0.1 wt% or less and the molten steel temperature of 1600 ° C. or more is removed. After the decarburization and deoxidation treatment, the carbon concentration was 100ppm or less using a vacuum tower gas apparatus, and at the same time [0] f was 30ppm or more, the carbon content was 3.0wt% in the tundish and the carbon in the mold. Continuous casting method of high oxygen limped steel, characterized in that the continuous casting using a material of less than 1 · 0wt%. ※참고사항:최초출원 내용에 의하여 공개되는 것임.※ Note: The information is disclosed by the first application.
KR1019900019341A 1990-11-28 1990-11-28 Process for making high oxygen rimmed steel KR930000842B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900019341A KR930000842B1 (en) 1990-11-28 1990-11-28 Process for making high oxygen rimmed steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900019341A KR930000842B1 (en) 1990-11-28 1990-11-28 Process for making high oxygen rimmed steel

Publications (2)

Publication Number Publication Date
KR920009480A true KR920009480A (en) 1992-06-25
KR930000842B1 KR930000842B1 (en) 1993-02-06

Family

ID=19306636

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900019341A KR930000842B1 (en) 1990-11-28 1990-11-28 Process for making high oxygen rimmed steel

Country Status (1)

Country Link
KR (1) KR930000842B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628986A (en) * 1994-11-18 1997-05-13 The Procter & Gamble Company Oral compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628986A (en) * 1994-11-18 1997-05-13 The Procter & Gamble Company Oral compositions

Also Published As

Publication number Publication date
KR930000842B1 (en) 1993-02-06

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