JPS577322A - Removing method of internal bead of forge welded pipe - Google Patents

Removing method of internal bead of forge welded pipe

Info

Publication number
JPS577322A
JPS577322A JP7831380A JP7831380A JPS577322A JP S577322 A JPS577322 A JP S577322A JP 7831380 A JP7831380 A JP 7831380A JP 7831380 A JP7831380 A JP 7831380A JP S577322 A JPS577322 A JP S577322A
Authority
JP
Japan
Prior art keywords
welding
melt
forge
internal bead
temp
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
JP7831380A
Other languages
English (en)
Inventor
Mitsuo Yoshizawa
Hideaki Omori
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 JP7831380A priority Critical patent/JPS577322A/ja
Publication of JPS577322A publication Critical patent/JPS577322A/ja
Pending legal-status Critical Current

Links

JP7831380A 1980-06-12 1980-06-12 Removing method of internal bead of forge welded pipe Pending JPS577322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7831380A JPS577322A (en) 1980-06-12 1980-06-12 Removing method of internal bead of forge welded pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7831380A JPS577322A (en) 1980-06-12 1980-06-12 Removing method of internal bead of forge welded pipe

Publications (1)

Publication Number Publication Date
JPS577322A true JPS577322A (en) 1982-01-14

Family

ID=13658441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7831380A Pending JPS577322A (en) 1980-06-12 1980-06-12 Removing method of internal bead of forge welded pipe

Country Status (1)

Country Link
JP (1) JPS577322A (ja)

Similar Documents

Publication Publication Date Title
DE69704132D1 (de) Verfahren und Vorrichtung zur Herstellung von Stahlrohren
US2575381A (en) Method of and apparatus for continuous welding of pipes and tubes
JPS577322A (en) Removing method of internal bead of forge welded pipe
JPS60247485A (ja) 金属管の連続溶接方法及び装置
US3938724A (en) Method of making butt welded tubes
JPS5590324A (en) Method of and apparatus for automatically joining blank sheets including foamed resin sheet
JPS5548428A (en) Bending working method of welded steel pipe
GB1067836A (en) Improved process of continuous production of butt-welded tubes, and inductor therefor
JPS5496446A (en) Welding method for welded steel pipe of high toughness
JPS5474240A (en) High efficient welding for heat-resistant pipe
JPS555165A (en) Production of seamed pipe
JPS5912147Y2 (ja) 電気抵抗溶接管の製造装置
JPH06155046A (ja) 鋼材の熱間接合方法
JPS598866Y2 (ja) 電縫鋼管製造装置
JPS5442352A (en) Method of producing butt-welded steel pipe
JPS62127186A (ja) バ−接合装置
US4385941A (en) Method and apparatus for producing a molten puddle during scarfing
JPS5650715A (en) Manufacturing apparatus for forge welded pipe
JPS59141388A (ja) 電縫管の製造方法および製造装置
MY125553A (en) Method of and apparatus for producing steel pipes
JPH11156431A (ja) 鋼管シーム部の冷却方法および装置
JPS60187490A (ja) 高密度エネルギ−ビ−ムを熱源とする製管溶接法
JPS58188527A (ja) 熱交換管の製造方法
JPS5545565A (en) Preparation method of butt welded pipe
JPH01306096A (ja) 溶接管の内面ビード除去方法