JPH0116208B2 - - Google Patents

Info

Publication number
JPH0116208B2
JPH0116208B2 JP9572380A JP9572380A JPH0116208B2 JP H0116208 B2 JPH0116208 B2 JP H0116208B2 JP 9572380 A JP9572380 A JP 9572380A JP 9572380 A JP9572380 A JP 9572380A JP H0116208 B2 JPH0116208 B2 JP H0116208B2
Authority
JP
Japan
Prior art keywords
roll
welding
length
square
electric resistance
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.)
Expired
Application number
JP9572380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5722815A (en
Inventor
Takeshi Sato
Hirotsugu Haga
Akio Akahori
Toshio Ichikawa
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 JP9572380A priority Critical patent/JPS5722815A/ja
Publication of JPS5722815A publication Critical patent/JPS5722815A/ja
Publication of JPH0116208B2 publication Critical patent/JPH0116208B2/ja
Granted legal-status Critical Current

Links

JP9572380A 1980-07-15 1980-07-15 Production of square-shaped seam welded steel tube Granted JPS5722815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9572380A JPS5722815A (en) 1980-07-15 1980-07-15 Production of square-shaped seam welded steel tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9572380A JPS5722815A (en) 1980-07-15 1980-07-15 Production of square-shaped seam welded steel tube

Publications (2)

Publication Number Publication Date
JPS5722815A JPS5722815A (en) 1982-02-05
JPH0116208B2 true JPH0116208B2 (en]) 1989-03-23

Family

ID=14145385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9572380A Granted JPS5722815A (en) 1980-07-15 1980-07-15 Production of square-shaped seam welded steel tube

Country Status (1)

Country Link
JP (1) JPS5722815A (en])

Also Published As

Publication number Publication date
JPS5722815A (en) 1982-02-05

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