JPS5295567A - Method of producing largeediameter square steel pipe - Google Patents

Method of producing largeediameter square steel pipe

Info

Publication number
JPS5295567A
JPS5295567A JP1350676A JP1350676A JPS5295567A JP S5295567 A JPS5295567 A JP S5295567A JP 1350676 A JP1350676 A JP 1350676A JP 1350676 A JP1350676 A JP 1350676A JP S5295567 A JPS5295567 A JP S5295567A
Authority
JP
Japan
Prior art keywords
largeediameter
producing
steel pipe
square steel
square
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
JP1350676A
Other languages
Japanese (ja)
Inventor
Hiroshi Nakajima
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.)
Nakajima KK
Original Assignee
Nakajima KK
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 Nakajima KK filed Critical Nakajima KK
Priority to JP1350676A priority Critical patent/JPS5295567A/en
Priority to US05/750,779 priority patent/US4099662A/en
Publication of JPS5295567A publication Critical patent/JPS5295567A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)
JP1350676A 1975-12-20 1976-02-09 Method of producing largeediameter square steel pipe Pending JPS5295567A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1350676A JPS5295567A (en) 1976-02-09 1976-02-09 Method of producing largeediameter square steel pipe
US05/750,779 US4099662A (en) 1975-12-20 1976-12-15 Method and apparatus for producing welded steel tubes having large square cross section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1350676A JPS5295567A (en) 1976-02-09 1976-02-09 Method of producing largeediameter square steel pipe

Publications (1)

Publication Number Publication Date
JPS5295567A true JPS5295567A (en) 1977-08-11

Family

ID=11835012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1350676A Pending JPS5295567A (en) 1975-12-20 1976-02-09 Method of producing largeediameter square steel pipe

Country Status (1)

Country Link
JP (1) JPS5295567A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117522A (en) * 1979-03-05 1980-09-09 Kurimoto Iron Works Ltd Manufacture of square steel pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117522A (en) * 1979-03-05 1980-09-09 Kurimoto Iron Works Ltd Manufacture of square steel pipe

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