GB1154264A - A method of Manufacturing Cast-Iron Pipes and an Installation for effecting same - Google Patents
A method of Manufacturing Cast-Iron Pipes and an Installation for effecting sameInfo
- Publication number
- GB1154264A GB1154264A GB4630667A GB4630667A GB1154264A GB 1154264 A GB1154264 A GB 1154264A GB 4630667 A GB4630667 A GB 4630667A GB 4630667 A GB4630667 A GB 4630667A GB 1154264 A GB1154264 A GB 1154264A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- pipe
- coil
- blank
- molten iron
- 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.)
- Expired
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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- 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
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
1,154,264. Making pipes; continuous casting. TSENTRALNOE KONSTRUKTORSKOTEKHNOLOGICHESKOE BYURO. 10 Oct., 1967, No. 46306/67. Headings B3A and B3F. A method of making cast iron pipes includes the steps of continuously casting a strip from molten iron which has been inoculated by the addition of ferrocerium; annealing the strip; cooling the strip and cutting it into narrower strips; bending each strip into a pipe blank and welding the edges together to form a pipe and cutting the welded pipe into separate lengths. As described the molten iron is inoculated before it is fed between a pair of cooled rolls (see below) to form a strip which is then wound into a coil. The coils are then placed in a furnace for annealing at a temperature of 950‹ to 900‹ C. for 6 to 7 hours, followed by rapid cooling to 790‹ to 800‹ C. and slow cooling to 630‹ to 650‹ C. The coil is then cooled in an air current to ambient temperature. The coil is then uncoiled and passed through disc shears to be cut into narrower strips. Each strip is then passed through a multistand mill where it is bent into a cylindrical pipe blank. Alternatively, each strip may be wound into a spiral to form the blank. The edges of the blank are then welded by a high frequency loop inductor, the welding flash is removed, the pipe is passed through two gauging stands and is then cut into shorter lengths. Each pipe length is then tested under pressure, dried, dipped into a waterorganic suspension of polyethylene and finally dried at a temperature of 150‹ to 250‹ C. to fuse the polyethylene to the pipe surface. In the continuous casting step the molten iron is fed from a tundish 8, which is supported by an arm 7 on a rotating column 6, through an electrically heated feeding pipe 11 which is provided with a plurality of holes 12. The molten iron is discharged at a temperature of 1250‹ to 1350‹ C. and falls between rollers or moulds 13 which are urged towards each other by an by - draulic cylinder 14 and cooled inside by running water. The strip 15 thus formed passes over a guide 16 and conveyer 17 and is wound into a coil 19.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4630667A GB1154264A (en) | 1967-10-10 | 1967-10-10 | A method of Manufacturing Cast-Iron Pipes and an Installation for effecting same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4630667A GB1154264A (en) | 1967-10-10 | 1967-10-10 | A method of Manufacturing Cast-Iron Pipes and an Installation for effecting same |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1154264A true GB1154264A (en) | 1969-06-04 |
Family
ID=10440706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4630667A Expired GB1154264A (en) | 1967-10-10 | 1967-10-10 | A method of Manufacturing Cast-Iron Pipes and an Installation for effecting same |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1154264A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11027330B2 (en) | 2016-08-10 | 2021-06-08 | Nucor Corporation | Method of thin strip casting |
-
1967
- 1967-10-10 GB GB4630667A patent/GB1154264A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11027330B2 (en) | 2016-08-10 | 2021-06-08 | Nucor Corporation | Method of thin strip casting |
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