JPS566705A - Manufacture of cast billet for hot rolling - Google Patents
Manufacture of cast billet for hot rollingInfo
- Publication number
- JPS566705A JPS566705A JP8148079A JP8148079A JPS566705A JP S566705 A JPS566705 A JP S566705A JP 8148079 A JP8148079 A JP 8148079A JP 8148079 A JP8148079 A JP 8148079A JP S566705 A JPS566705 A JP S566705A
- Authority
- JP
- Japan
- Prior art keywords
- edges
- breadth
- slab
- cast billet
- aln
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Continuous Casting (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE:To uniformize the distribution of AlN precipitation in the direction of the slab's breadth, by performing the width-gauge control rolling at respectively specified rolling reduction to both edges of the hot case slab solidified after the continuous casting of the aluminum killed molten steel. CONSTITUTION:The aluminum killed molten steel is continuously cast to produce the hot cast billet solidified completely; the low temperature parts on both edges of this cast billet are respectively edged at a rate of breadth reduction >=50mm./one pass in order to raise the edge temperatures and to promote the precipitation of AlN at the edges. Hereby, the distribution of AlN precipitation at the section of the slab in the breadth direction is uniformized, and the material's internal quality can be improved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8148079A JPS566705A (en) | 1979-06-29 | 1979-06-29 | Manufacture of cast billet for hot rolling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8148079A JPS566705A (en) | 1979-06-29 | 1979-06-29 | Manufacture of cast billet for hot rolling |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS566705A true JPS566705A (en) | 1981-01-23 |
JPS623211B2 JPS623211B2 (en) | 1987-01-23 |
Family
ID=13747557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8148079A Granted JPS566705A (en) | 1979-06-29 | 1979-06-29 | Manufacture of cast billet for hot rolling |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS566705A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59197523A (en) * | 1983-04-19 | 1984-11-09 | Sumitomo Metal Ind Ltd | Manufacture of hot rolled steel plate for processing |
JPS6082616A (en) * | 1983-10-13 | 1985-05-10 | Kawasaki Steel Corp | Production of extra low carbon cold rolled steel plate for deep drawing |
-
1979
- 1979-06-29 JP JP8148079A patent/JPS566705A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59197523A (en) * | 1983-04-19 | 1984-11-09 | Sumitomo Metal Ind Ltd | Manufacture of hot rolled steel plate for processing |
JPS6082616A (en) * | 1983-10-13 | 1985-05-10 | Kawasaki Steel Corp | Production of extra low carbon cold rolled steel plate for deep drawing |
JPS6334209B2 (en) * | 1983-10-13 | 1988-07-08 | Kawasaki Steel Co |
Also Published As
Publication number | Publication date |
---|---|
JPS623211B2 (en) | 1987-01-23 |
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