JPH0228436B2 - - Google Patents

Info

Publication number
JPH0228436B2
JPH0228436B2 JP56215310A JP21531081A JPH0228436B2 JP H0228436 B2 JPH0228436 B2 JP H0228436B2 JP 56215310 A JP56215310 A JP 56215310A JP 21531081 A JP21531081 A JP 21531081A JP H0228436 B2 JPH0228436 B2 JP H0228436B2
Authority
JP
Japan
Prior art keywords
steel pipe
welding
square steel
push
rolls
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 - Lifetime
Application number
JP56215310A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58119487A (ja
Inventor
Masami Matsumoto
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.)
Kawasaki Steel Metal Products and Engineering Inc
Original Assignee
Kawasaki Steel Metal Products and Engineering Inc
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 Kawasaki Steel Metal Products and Engineering Inc filed Critical Kawasaki Steel Metal Products and Engineering Inc
Priority to JP21531081A priority Critical patent/JPS58119487A/ja
Publication of JPS58119487A publication Critical patent/JPS58119487A/ja
Publication of JPH0228436B2 publication Critical patent/JPH0228436B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B23K31/027—Making tubes with soldering or welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
JP21531081A 1981-12-30 1981-12-30 角形鋼管の溶接方法 Granted JPS58119487A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21531081A JPS58119487A (ja) 1981-12-30 1981-12-30 角形鋼管の溶接方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21531081A JPS58119487A (ja) 1981-12-30 1981-12-30 角形鋼管の溶接方法

Publications (2)

Publication Number Publication Date
JPS58119487A JPS58119487A (ja) 1983-07-15
JPH0228436B2 true JPH0228436B2 (en]) 1990-06-25

Family

ID=16670197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21531081A Granted JPS58119487A (ja) 1981-12-30 1981-12-30 角形鋼管の溶接方法

Country Status (1)

Country Link
JP (1) JPS58119487A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0412304A (ja) * 1990-04-29 1992-01-16 Sumitomo Electric Ind Ltd 通信ケーブル用管路の製造方法
JP4859949B2 (ja) * 2009-05-11 2012-01-25 ナカジマ鋼管株式会社 四角形鋼管の製造設備
JP5106474B2 (ja) * 2009-05-11 2012-12-26 ナカジマ鋼管株式会社 四角形鋼管の製造設備
CN105458727B (zh) * 2015-12-08 2018-01-09 云南通海方圆工贸有限公司 多规格方管滚压成形生产线

Also Published As

Publication number Publication date
JPS58119487A (ja) 1983-07-15

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