KR830001706A - Continuous cast steel products with deformed fine segregation - Google Patents

Continuous cast steel products with deformed fine segregation

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Publication number
KR830001706A
KR830001706A KR1019800000349A KR800000349A KR830001706A KR 830001706 A KR830001706 A KR 830001706A KR 1019800000349 A KR1019800000349 A KR 1019800000349A KR 800000349 A KR800000349 A KR 800000349A KR 830001706 A KR830001706 A KR 830001706A
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South Korea
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less
cross
section
casting bar
continuous casting
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KR1019800000349A
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Korean (ko)
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KR840001298B1 (en
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찰스 워드 죠지
노엘 윌슨 토마스
케이. 신하 유데이
Original Assignee
반 씨. 윌크스
사우스와이어 컴페니
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Publication of KR830001706A publication Critical patent/KR830001706A/en
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Publication of KR840001298B1 publication Critical patent/KR840001298B1/en

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    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars

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

Abstract

내용 없음No content

Description

변형된 미세한 편석(偏析)을 가진 연속주조 강제품Continuous cast steel products with deformed fine segregation

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this content is publicly disclosed, the full text is not included.

제1도는 주위의 홈에 의해 한정된 회전할 수 있는 주조 휘일과 그 부분을 덮어주는 주형을 형성하기 위해 홈의 길이부분을 덮어주는 순환형 밴드(band)를 가진 주조기를 포함하는 장치로서, 본 발명의 주조강제품을 제조하기에 적합한 종래의 장치의 하나의 실시예를 설명해주는 개략도.1 is an apparatus comprising a casting machine having a rotatable casting wheel defined by surrounding grooves and a circulating band covering a length portion of the groove to form a mold covering the portion. Schematic diagram illustrating one embodiment of a conventional device suitable for manufacturing a cast steel product.

제2도는 본 발명에 따라 주조된 스틸 바(bar)에서의 황의 분포를 표시하는 그래프.2 is a graph showing the distribution of sulfur in a steel bar cast according to the present invention.

제3도는 본 발명에 따라 주조된 스틸바에서의 산소의 분포를 표시하는 그래프.3 is a graph showing the distribution of oxygen in a steel bar cast according to the present invention.

제4도는 종래의 하제렛(Hazelet)이중벨트 방법에 따라 주조된 스틸바에서의 산소의 분포를 표시하는 그래프.4 is a graph showing the distribution of oxygen in a steel bar cast according to the conventional Hazelet double belt method.

Claims (25)

(a) 응용금속을 주형의 길이 방향의 부분위를 막아주는 적어도 하나의 이동하는 밴드에 의해 형성된 덮어진 주형으로 주입시키고,(a) the application metal is injected into a covered mold formed by at least one moving band that blocks the longitudinal portion of the mold, (b) 상기 주형을 냉각시켜, 용융금속을 용융코어 주위의 고체금속의 표면을 형성하는 주형벽에서 응고를 시작하게 하도록 하고,(b) cooling the mold so that the molten metal begins to solidify at the mold wall forming the surface of the solid metal around the molten core, (c) 주형의 덮어진 부분으로부터 나온 응고된 주조바를 주형밖으로 빼내며,(c) the solidified casting bar from the covered part of the mold is taken out of the mold, (d) 냉각제 분사물의 직접 또는 간접적인 방법에 의해 주조바를 냉각하는 단계로 구성되어진 연속주조 방법에서,(d) In a continuous casting method consisting of cooling the casting bar by a direct or indirect method of the coolant injection, (e) 미세한 편석이 없고 단면을 측정하였을 때 성분과 불순물이 균일하게 분포되어 있는 주조바의 연속제조를 위해 (a)에서 (d)까지의 단계를 조절하는 것은 특징으로 하는 연속주조 방법으로 구성된 새로운 방법을 포함하는 연속주조 방법.(e) Controlling the steps from (a) to (d) for continuous production of a casting bar in which components and impurities are uniformly distributed when there is no fine segregation and the cross section is measured consists of a continuous casting method characterized by Continuous casting method including new method. 횡단면을 측정하였을 때 평균 황함량이 약 0.004%(40ppm) 이하일 때 최대 변화가 일어나는 것을 특징으로 하는 (e)의 단계를 가진 청구범위 1에 의한 방법.The method according to claim 1 with the step of (e), characterized in that the maximum change occurs when the average sulfur content is less than about 0.004% (40 ppm) when the cross section is measured. 상기 평균 황 함량이 약 0.0015% 이하의 표준편차의 임의의 경험적인 데이타로부터 산출되어지는 것을 특징으로 하는 (e)의 단계를 가진 청구범위 1에 의한 방법.The method according to claim 1 with step (e), characterized in that the average sulfur content is calculated from any empirical data with a standard deviation of about 0.0015% or less. 횡단면을 측정하였을 때 평균산소 함량이 약 0.002%(20ppm) 이하일때의 최대 변화가 일어나는 것을 특징으로 하는 (e)의 단계를 가진 청구범위 1 또는 2에 의한 방법.The method according to claim 1 or 2 with the step of (e), characterized in that the maximum change occurs when the average oxygen content is about 0.002% (20ppm) or less when the cross section is measured. 횡단면을 측정하였을때 평균 탄소 함량이 약 0.01%(100ppm) 이하일때 최대 변화가 일어나는 것을 특징으로 하는 (e)의 단계를 가진 상기 청구범위 중의 하나에 의한 방법.A method according to one of the claims above with the step of (e), characterized in that the maximum change occurs when the average carbon content is less than about 0.01% (100 ppm) when the cross section is measured. 상기 평균 탄소함량이 약 0.004%의 이하로 표준편차의 임의의 경험적인 데이타로부터 산출되어지는 것을 특징으로 하는 (e)의 단계를 가진 청구범위 1-4에 의한 방법.The method according to claims 1-4 with the step of (e), characterized in that the average carbon content is calculated from any empirical data with a standard deviation of less than about 0.004%. 평균 황함량이 약 20ppm 이하일때 최대 변화가 일어나는 것을 특징으로 하는 (e)의 단계를 가진 청구범위 1과 4-6중의 하나에 의한 방법.Method according to one of claims 1 and 4-6 with the step of (e), characterized in that the maximum change occurs when the average sulfur content is about 20 ppm or less. 망간함량이 평균망간 함량의 400% 이하일 때 최대변화가 일어나는 것을 특징으로 하는 (e)의 단계를 가진 청구범위 1에 의한 방법.Method according to claim 1 with step (e), characterized in that the maximum change occurs when the manganese content is less than 400% of the average manganese content. 단계(a)가 상기 길이 방향의 부분위의 홈은 덮어주는 밴드와 회전하는 주조휘일에서 주변의 홈에 의해 형성된 덮어진 주형을 포함하는 사실을 특징으로 하는 상기 청구범위 중의 하나에 의한 방법.The method according to one of the claims, characterized in that step (a) comprises a covering mold formed by the surrounding groove in the rotating casting wheel and the covering band and the groove on the longitudinal portion. 단계 (a)가 덮여진 주형을 제공하기 위하여 다른 덮여진 표면과 접합된 이동하는 표면의 적어도 하나에 의해 형성된 연속적인 덮여진 주형을 포함하는 사실을 특징으로 하는 청구범위 1-8중의 하나에 의한 방법.Step (a) according to any one of claims 1-8 characterized by the fact that it comprises a continuous covered mold formed by at least one of the moving surfaces bonded to the other covered surface to provide a covered mold. Way. 평균산소 함량에서의 최대변화가 약 10ppm 이하인 것을 특징으로 하는 (e)의 단계를 가진 청구범위 1,2,5-10 중의 하나에 의한 방법.Method according to one of the claims 1,2,5-10 with the step of (e), characterized in that the maximum change in the average oxygen content is about 10 ppm or less. 상기 주조바가 응고시 약 90°이상의 각도로 회전하고 편석된 성분과 불순물의 농도의 균일성이 상업적으로 주조바가 형성되어질 수 있는 범위까지 조절되어지는, 상업상 사용에 적합한 연속 주조바를 위한 휘일-벨트 형식의 순환형이동 표면주형이 장치된 사실을 특징으로 하는 상기 청구범위 중의 하나에 의한 방법.Foil-belt for a continuous casting bar suitable for commercial use, wherein the casting bar rotates at an angle of about 90° or more upon solidification, and the uniformity of the concentration of segregated components and impurities is adjusted to the extent that a commercial casting bar can be formed. Method according to one of the claims above, characterized by the fact that a circulating moving surface mold of the type is fitted. 상기 주조휘일의 회전이 강중에서의 불순물의 부상과 편석을 막기 위해서 주형내의 용강의 방향을 변화시켜주는 것을 특징으로 하는 상기 청구범위 중의 하나에 의한 방법.The method according to one of the claims, characterized in that the rotation of the casting wheel changes the direction of molten steel in the mold in order to prevent floating and segregation of impurities in the steel. 상기 주조바가 같이 주어진 강으로부터 중한스 형식의 주조에 의한 주조바 보다 인장강도가 적어도 10% 이상 높은 것을 특징으로 하는 (e)의 단계를 가진 상기 청구범위중의 하나에 의한 방법.A method according to one of the claims with step (e), characterized in that the casting bar is at least 10% higher in tensile strength than a cast bar by a heavy Hans type casting from a given steel. 상기 각 약 180℃ 이상인 것을 특징으로 하는 청구범위 12에 의한 방법.Method according to claim 12, characterized in that each of about 180 ℃ or more. 산소함량이 25ppm 이하에서 최대평균 변화를 횡단면에서 나타내는 연속주조바.A continuous casting bar showing the maximum average change in the cross section when the oxygen content is below 25 ppm. 횡단면에서의 산소편석 표준편자가 10ppm 이하인 연속주조바.A continuous casting bar with a standard deviation of 10 ppm or less of oxygen segregation in the cross section. 횡단면에서의 산소 편석 표준편차가 5ppm 이하인 연속주조바.Continuous casting bar with a standard deviation of less than 5 ppm of oxygen segregation in the cross section. 횡단면에서의 망간함량이 평균 망간 함량의 275% 이하에서 최대평균 변화를 나타내는 연속주조바.Continuous casting bar showing the maximum average change in the cross-section of manganese content below 275% of the average manganese content. 횡단면에서 황함량이 0.004% 이하일때 최대 평균 변화를 나타내는 청구범위 16-19에 의한 연속주조바.Continuous casting bar according to claims 16-19 showing the maximum average change when the sulfur content in the cross section is 0.004% or less. 횡단면에서 황편석 표준편차가 0.0015% 이하인 것을 특징으로 하는 청구범위 16-19에 의한 연속 주조바.Continuous casting bar according to claims 16-19, characterized in that the standard deviation of sulfur segregation in the cross section is 0.0015% or less. 횡단면에서 산소함량이 0.01% 이하일때 최대평균 변화를 나타내는 것을 특징으로 하는 청구범위 16-21에 의한 연속주조바.Continuous casting bar according to claim 16-21, characterized in that it exhibits the maximum average change when the oxygen content in the cross section is 0.01% or less. 횡단면에서 탄소 편석 표준편차가 0.004% 이하인 것을 특징으로 하는 청구범위 16-21에 의한 연속주조바.Continuous casting bar according to claim 16-21, characterized in that the standard deviation of carbon segregation in the cross section is 0.004% or less. 중한스 형식의 주조바에 비해 적어도 10% 이상의 인장강도와 신율을 가지는 것을 특징으로 하는 청구범위 16-23중의 하나에 따른 연속주조바.Continuous casting bar according to any one of claims 16-23, characterized in that it has a tensile strength and elongation of at least 10% or more compared to a heavy-duty type casting bar. 횡단면에서 산소 함량이 25ppm 이하일때 최대평균 변화를 일으켜 황함량이 40ppm 이하일때 최대변화를 일으키며, 탄소함량이 100ppm 이하일때 최대 평균 변화를 일으키는 연속주조바.A continuous casting bar that produces the maximum average change when the oxygen content is less than 25 ppm in the cross-section, causing the maximum change when the sulfur content is less than 40 ppm, and the maximum average change when the carbon content is less than 100 ppm. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: Disclosure is based on the original application.
KR1019800000349A 1979-08-29 1980-01-30 Continuous casting method of cast steel product KR840001298B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7055079A 1979-08-29 1979-08-29
US70,550 1979-08-29
US26943 1993-03-05

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KR830001706A true KR830001706A (en) 1983-05-18
KR840001298B1 KR840001298B1 (en) 1984-09-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020023701A (en) * 2001-12-03 2002-03-29 방계룡 Jellied food made from processed gelatine by sodium chloride
KR20020023700A (en) * 2001-12-03 2002-03-29 방계룡 Jellied food made from processed sol by sodium chloride
KR20220101515A (en) * 2021-01-11 2022-07-19 주식회사 엠에스씨 Gelling Agent Composition for Plant base Gummy Jelly and Gummy Jelly thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020023701A (en) * 2001-12-03 2002-03-29 방계룡 Jellied food made from processed gelatine by sodium chloride
KR20020023700A (en) * 2001-12-03 2002-03-29 방계룡 Jellied food made from processed sol by sodium chloride
KR20220101515A (en) * 2021-01-11 2022-07-19 주식회사 엠에스씨 Gelling Agent Composition for Plant base Gummy Jelly and Gummy Jelly thereof

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