JPS57103791A - Double blank pipe for production of pipe clad steel and forming method of said pipe - Google Patents
Double blank pipe for production of pipe clad steel and forming method of said pipeInfo
- Publication number
- JPS57103791A JPS57103791A JP18052280A JP18052280A JPS57103791A JP S57103791 A JPS57103791 A JP S57103791A JP 18052280 A JP18052280 A JP 18052280A JP 18052280 A JP18052280 A JP 18052280A JP S57103791 A JPS57103791 A JP S57103791A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- blank pipes
- pipes
- double blank
- end parts
- 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
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
PURPOSE: To form double blank pipes of high adhesive strength, good product yields and a long size for pipe clad steel by adhering both blank pipes tightly in both end parts of the double blank pipes, specifying the length of the adhered parts and the clearance between the blank pipes in the intermediate part, and welding both blank pipes at both ends.
CONSTITUTION: A cladding pipe 2 consisting of stainless steel, Ni or Ni alloy or the like having an outside diameter D2 smaller than the inside diameter d1 of a base pipe 1 of carbon steel or low alloy steel is fitted into the pipe 1 to make double blank pipes. Next, the end parts of the pipe 2 is plastically worked at ordinary temp. and are expanded to adhere the outside circumferential surface of the pipe 2 tightly to the inside circumferential surface of the pipe 1 by more than the required lengths in the axial direction, that is, the length 1/2 the outside diameter D2 of the pipe 2, in both end parts of the double blank pipes. In the intermediate part other than the adhered parts at both pipe end parts, the difference (e) between the inside diameter (d1) of the pipe 1 and the outside diameter D2 of the pipe 2 is adjusted to ≤1/4% the outside diameter D2 of the pipe 2. Thence, at both ends of the double blank pipes, the pipes 1, 2 are firmly build-up welded by means of weld zones 3.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18052280A JPS5947638B2 (en) | 1980-12-22 | 1980-12-22 | Double pipe for manufacturing pipe clad steel and its forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18052280A JPS5947638B2 (en) | 1980-12-22 | 1980-12-22 | Double pipe for manufacturing pipe clad steel and its forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57103791A true JPS57103791A (en) | 1982-06-28 |
| JPS5947638B2 JPS5947638B2 (en) | 1984-11-20 |
Family
ID=16084729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18052280A Expired JPS5947638B2 (en) | 1980-12-22 | 1980-12-22 | Double pipe for manufacturing pipe clad steel and its forming method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5947638B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59163088A (en) * | 1983-03-08 | 1984-09-14 | Sumitomo Metal Ind Ltd | Production of seamless clad pipe |
| RU2674798C2 (en) * | 2016-08-18 | 2018-12-13 | Общество с ограниченной ответственностью "ФБТ" (ООО "ФБТ") | Workpiece for the multilayer hollow products manufacturing by the materials pressure shaping, multilayer hollow products manufacturing method and manufactured by the said method product |
| CN110860778A (en) * | 2019-10-18 | 2020-03-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for preparing metal composite pipe based on carbon dioxide expansion fracturing pipe |
-
1980
- 1980-12-22 JP JP18052280A patent/JPS5947638B2/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59163088A (en) * | 1983-03-08 | 1984-09-14 | Sumitomo Metal Ind Ltd | Production of seamless clad pipe |
| JPH0452182B2 (en) * | 1983-03-08 | 1992-08-21 | Sumitomo Metal Ind | |
| RU2674798C2 (en) * | 2016-08-18 | 2018-12-13 | Общество с ограниченной ответственностью "ФБТ" (ООО "ФБТ") | Workpiece for the multilayer hollow products manufacturing by the materials pressure shaping, multilayer hollow products manufacturing method and manufactured by the said method product |
| CN110860778A (en) * | 2019-10-18 | 2020-03-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for preparing metal composite pipe based on carbon dioxide expansion fracturing pipe |
| CN110860778B (en) * | 2019-10-18 | 2021-09-28 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for preparing metal composite pipe based on carbon dioxide expansion fracturing pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5947638B2 (en) | 1984-11-20 |
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