JPS5548403A - Manufacture of wide flange beam by flat steel slab - Google Patents
Manufacture of wide flange beam by flat steel slabInfo
- Publication number
- JPS5548403A JPS5548403A JP12216078A JP12216078A JPS5548403A JP S5548403 A JPS5548403 A JP S5548403A JP 12216078 A JP12216078 A JP 12216078A JP 12216078 A JP12216078 A JP 12216078A JP S5548403 A JPS5548403 A JP S5548403A
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- steel slab
- rough
- rolling mill
- molding
- 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
- 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
- B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/088—H- or I-sections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
PURPOSE:To simplify and shorten the process, by directly carrying out rough rolling through rough steel slab of the pre-stage from flat steel slab, and continuously performing this rough rolling and molding rolling without heating again. CONSTITUTION:The flat steel slab 1 whose thickness is smaller than the flange width of wide flange beam 2 to be manufactured is heated to regular temperature and soaked, and it is molded to the pre-stage rough steel slab 3 by making a pass several times with the width direction up and down by the two-high caliber rough rolling mill 5. Subsequently, the steel slab 3 is rolled roughly by a reciprocating pass so many times with the universal rough rolling mill 6 and the two-high caliber edging rolling mills 6, 7. After that, although the steel slab 4 is immediately rolled for molding by performing a reciprocating pass many times with the rolling mills 6, 7, the edging is carried out by changing the roll pass type of the rolling mill 7 to that for molding rolling use B instead of that for rough rolling use A. This change is made by moving the rolling mill itself in the right angle direction to the rolling line. Subsequently, the molded die steel is rolled by the universal finish rolling mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12216078A JPS5548403A (en) | 1978-10-04 | 1978-10-04 | Manufacture of wide flange beam by flat steel slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12216078A JPS5548403A (en) | 1978-10-04 | 1978-10-04 | Manufacture of wide flange beam by flat steel slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5548403A true JPS5548403A (en) | 1980-04-07 |
Family
ID=14829070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12216078A Pending JPS5548403A (en) | 1978-10-04 | 1978-10-04 | Manufacture of wide flange beam by flat steel slab |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5548403A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141171A (en) * | 1983-01-31 | 1984-08-13 | Nitto Electric Ind Co Ltd | Conductor sheet |
| CN103350114A (en) * | 2013-07-19 | 2013-10-16 | 莱芜钢铁集团有限公司 | Double-pass roller for machining track shape steel and rolling method |
-
1978
- 1978-10-04 JP JP12216078A patent/JPS5548403A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141171A (en) * | 1983-01-31 | 1984-08-13 | Nitto Electric Ind Co Ltd | Conductor sheet |
| JPH0372167B2 (en) * | 1983-01-31 | 1991-11-15 | Nitto Denko Corp | |
| CN103350114A (en) * | 2013-07-19 | 2013-10-16 | 莱芜钢铁集团有限公司 | Double-pass roller for machining track shape steel and rolling method |
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