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JPS5418458A - Welding method for electric welded tube - Google Patents

Welding method for electric welded tube

Info

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
Application number
JP8311377A
Other languages
Japanese (ja)
Inventor
Minoru Miura
Nobuyuki Yamauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP8311377A priority Critical patent/JPS5418458A/en
Publication of JPS5418458A publication Critical patent/JPS5418458A/en
Pending legal-status Critical Current

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
JP8311377A 1977-07-11 1977-07-11 Welding method for electric welded tube Pending JPS5418458A (en)

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)

* Cited by examiner, † Cited by third party
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 manufacturing welding

Cited By (1)

* Cited by examiner, † Cited by third party
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 manufacturing welding

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