JPS549146A - Method of producing forge-welded pipes - Google Patents
Method of producing forge-welded pipesInfo
- Publication number
- JPS549146A JPS549146A JP7508477A JP7508477A JPS549146A JP S549146 A JPS549146 A JP S549146A JP 7508477 A JP7508477 A JP 7508477A JP 7508477 A JP7508477 A JP 7508477A JP S549146 A JPS549146 A JP S549146A
- Authority
- JP
- Japan
- Prior art keywords
- forge
- welded pipes
- producing
- welded
- welding
- 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
- Butt Welding And Welding Of Specific Article (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
PURPOSE: To accomplish noticeable conservation of fuel and improve workability by a forge-welding with a forge-welding roll after a hoop is so formed that the section is shaped into a rough circle and the portion to be welded is heated locally with a tunnel heating furnace.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7508477A JPS549146A (en) | 1977-06-23 | 1977-06-23 | Method of producing forge-welded pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7508477A JPS549146A (en) | 1977-06-23 | 1977-06-23 | Method of producing forge-welded pipes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS549146A true JPS549146A (en) | 1979-01-23 |
JPS5617968B2 JPS5617968B2 (en) | 1981-04-25 |
Family
ID=13565948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7508477A Granted JPS549146A (en) | 1977-06-23 | 1977-06-23 | Method of producing forge-welded pipes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS549146A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS589714A (en) * | 1981-07-10 | 1983-01-20 | Sumitomo Metal Ind Ltd | Line of steel pipe manufacturing installation from steel band as blank material |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50115159A (en) * | 1974-02-22 | 1975-09-09 |
-
1977
- 1977-06-23 JP JP7508477A patent/JPS549146A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50115159A (en) * | 1974-02-22 | 1975-09-09 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS589714A (en) * | 1981-07-10 | 1983-01-20 | Sumitomo Metal Ind Ltd | Line of steel pipe manufacturing installation from steel band as blank material |
JPH0224606B2 (en) * | 1981-07-10 | 1990-05-30 | Sumitomo Metal Ind |
Also Published As
Publication number | Publication date |
---|---|
JPS5617968B2 (en) | 1981-04-25 |
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