JPS5418458A - Welding method for electric welded tube - Google Patents
Welding method for electric welded tubeInfo
- Publication number
- JPS5418458A JPS5418458A JP8311377A JP8311377A JPS5418458A JP S5418458 A JPS5418458 A JP S5418458A JP 8311377 A JP8311377 A JP 8311377A JP 8311377 A JP8311377 A JP 8311377A JP S5418458 A JPS5418458 A JP S5418458A
- Authority
- JP
- Japan
- Prior art keywords
- welded tube
- welding method
- electric welded
- electric
- neighborhood
- 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
Abstract
PURPOSE: To manufacture the electric welded tube of high quality with less welding defect, by supplying the liquefied nitrogen to the neighborhood of the end face opposite against each other between heating zone and the squeeze roll, on purpose to maintain the circumference around the electric weld zone at a nonoxidizing condition.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8311377A JPS5418458A (en) | 1977-07-11 | 1977-07-11 | Welding method for electric welded tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8311377A JPS5418458A (en) | 1977-07-11 | 1977-07-11 | Welding method for electric welded tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5418458A true JPS5418458A (en) | 1979-02-10 |
Family
ID=13793138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8311377A Pending JPS5418458A (en) | 1977-07-11 | 1977-07-11 | Welding method for electric welded tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5418458A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02155577A (en) * | 1988-12-06 | 1990-06-14 | Sumitomo Metal Ind Ltd | Gas shielding method for pipe manufacture welding |
-
1977
- 1977-07-11 JP JP8311377A patent/JPS5418458A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02155577A (en) * | 1988-12-06 | 1990-06-14 | Sumitomo Metal Ind Ltd | Gas shielding method for pipe manufacture welding |
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