JPS5280261A - Method of preventing penetrator from being produced in highhfrequency electrically welded steel pipe - Google Patents

Method of preventing penetrator from being produced in highhfrequency electrically welded steel pipe

Info

Publication number
JPS5280261A
JPS5280261A JP15768975A JP15768975A JPS5280261A JP S5280261 A JPS5280261 A JP S5280261A JP 15768975 A JP15768975 A JP 15768975A JP 15768975 A JP15768975 A JP 15768975A JP S5280261 A JPS5280261 A JP S5280261A
Authority
JP
Japan
Prior art keywords
highhfrequency
penetrator
preventing
produced
steel pipe
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
JP15768975A
Other languages
Japanese (ja)
Inventor
Hiroshi Imai
Hiroshi Mimura
Takeshi Satou
Hiroyo Haga
Kazuo Aoki
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP15768975A priority Critical patent/JPS5280261A/en
Publication of JPS5280261A publication Critical patent/JPS5280261A/en
Pending legal-status Critical Current

Links

JP15768975A 1975-12-27 1975-12-27 Method of preventing penetrator from being produced in highhfrequency electrically welded steel pipe Pending JPS5280261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15768975A JPS5280261A (en) 1975-12-27 1975-12-27 Method of preventing penetrator from being produced in highhfrequency electrically welded steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15768975A JPS5280261A (en) 1975-12-27 1975-12-27 Method of preventing penetrator from being produced in highhfrequency electrically welded steel pipe

Publications (1)

Publication Number Publication Date
JPS5280261A true JPS5280261A (en) 1977-07-05

Family

ID=15655224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15768975A Pending JPS5280261A (en) 1975-12-27 1975-12-27 Method of preventing penetrator from being produced in highhfrequency electrically welded steel pipe

Country Status (1)

Country Link
JP (1) JPS5280261A (en)

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