JPH02207917A - 溶接部靭性に優れた電縫鋼管の製造方法 - Google Patents

溶接部靭性に優れた電縫鋼管の製造方法

Info

Publication number
JPH02207917A
JPH02207917A JP1028235A JP2823589A JPH02207917A JP H02207917 A JPH02207917 A JP H02207917A JP 1028235 A JP1028235 A JP 1028235A JP 2823589 A JP2823589 A JP 2823589A JP H02207917 A JPH02207917 A JP H02207917A
Authority
JP
Japan
Prior art keywords
tube
stretch reducer
rolling
pipe
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
Application number
JP1028235A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0581327B2 (https=
Inventor
Akihiko Takahashi
明彦 高橋
Hirokichi Higashiyama
東山　博吉
Nobuo Mizuhashi
伸雄 水橋
Hirotsugu Haga
芳賀　博世
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 JP1028235A priority Critical patent/JPH02207917A/ja
Publication of JPH02207917A publication Critical patent/JPH02207917A/ja
Publication of JPH0581327B2 publication Critical patent/JPH0581327B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Laser Beam Processing (AREA)
  • Heat Treatment Of Steel (AREA)
JP1028235A 1989-02-07 1989-02-07 溶接部靭性に優れた電縫鋼管の製造方法 Granted JPH02207917A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1028235A JPH02207917A (ja) 1989-02-07 1989-02-07 溶接部靭性に優れた電縫鋼管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1028235A JPH02207917A (ja) 1989-02-07 1989-02-07 溶接部靭性に優れた電縫鋼管の製造方法

Publications (2)

Publication Number Publication Date
JPH02207917A true JPH02207917A (ja) 1990-08-17
JPH0581327B2 JPH0581327B2 (https=) 1993-11-12

Family

ID=12242932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1028235A Granted JPH02207917A (ja) 1989-02-07 1989-02-07 溶接部靭性に優れた電縫鋼管の製造方法

Country Status (1)

Country Link
JP (1) JPH02207917A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014210953A (ja) * 2013-04-18 2014-11-13 新日鐵住金株式会社 スケール剥離性に優れた鍛接鋼管用鋼材

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014210953A (ja) * 2013-04-18 2014-11-13 新日鐵住金株式会社 スケール剥離性に優れた鍛接鋼管用鋼材

Also Published As

Publication number Publication date
JPH0581327B2 (https=) 1993-11-12

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