JPS5674356A - Production of continuously cast ingot free from any sectional defect and surface defect - Google Patents
Production of continuously cast ingot free from any sectional defect and surface defectInfo
- Publication number
- JPS5674356A JPS5674356A JP14944279A JP14944279A JPS5674356A JP S5674356 A JPS5674356 A JP S5674356A JP 14944279 A JP14944279 A JP 14944279A JP 14944279 A JP14944279 A JP 14944279A JP S5674356 A JPS5674356 A JP S5674356A
- Authority
- JP
- Japan
- Prior art keywords
- ingot
- water
- narrow
- cooling
- face width
- 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
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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
PURPOSE:To prevent sectional defects and surface defects from occuring on a steel ingot by water cooling the narrow surfaces of the specific range below meniscus at the time of continuously casting a steel ingot of <=4 in ratio between broad face width and narrow face width. CONSTITUTION:At the time of producing a steel ingot of >= in ratio between broad face width and narrow face width by a continuous casting method, the continuously cast ingot narrow surfaces of a range up to 2/3.t<2>/K<2>.Vc from below the surface (meniscus) of the molten metal in the mold are water cooled within a range exceeding a fixed value in which the cooling water ratio of the broad faces is determined by kinds of steel, the thickness of the ingot, the casting speed, and the shape of an immersion nozzle for casting to the mold. [(t); ingot thickness, K; coefficient of solidification, Vc; casting speed]. The formation of the sectional defects and surface defects occuring in the pore groups at the final solidifying of the ingot may be prevented by regulating the flow of the water for cooling the narrow faces according to the flow of the water for cooling the broad faces in this way.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14944279A JPS5674356A (en) | 1979-11-20 | 1979-11-20 | Production of continuously cast ingot free from any sectional defect and surface defect |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14944279A JPS5674356A (en) | 1979-11-20 | 1979-11-20 | Production of continuously cast ingot free from any sectional defect and surface defect |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5674356A true JPS5674356A (en) | 1981-06-19 |
Family
ID=15475197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14944279A Pending JPS5674356A (en) | 1979-11-20 | 1979-11-20 | Production of continuously cast ingot free from any sectional defect and surface defect |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5674356A (en) |
-
1979
- 1979-11-20 JP JP14944279A patent/JPS5674356A/en active Pending
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