JPS55128393A - Backing method of corner joint in square steel pipe - Google Patents

Backing method of corner joint in square steel pipe

Info

Publication number
JPS55128393A
JPS55128393A JP3621679A JP3621679A JPS55128393A JP S55128393 A JPS55128393 A JP S55128393A JP 3621679 A JP3621679 A JP 3621679A JP 3621679 A JP3621679 A JP 3621679A JP S55128393 A JPS55128393 A JP S55128393A
Authority
JP
Japan
Prior art keywords
bodies
webs
flanges
interpolating
corner joint
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
JP3621679A
Other languages
Japanese (ja)
Inventor
Ryohei Kumagai
Takashi Kato
Ikuo Asada
Satoru Miyahara
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 JP3621679A priority Critical patent/JPS55128393A/en
Publication of JPS55128393A publication Critical patent/JPS55128393A/en
Pending legal-status Critical Current

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Landscapes

  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE: To prevent the effluence of molten metal at the groove bottom by using the steel backing strips mounted with the specific interpolating bodies on their top or one side face at the corner joint welding of the square steel pipe.
CONSTITUTION: Beforehand steel backing strips 9 are mounted by fillet welding 7 to the back side end edges of webs or flanges at the time of disposing respectively a pair of webs 1 and flanges 2 to a square shape and welding the corner joints formed at four corners. Thence, non-combustible deformation-type interpolating bodies 8 composed of inorganic fibers woven to fabric or tape form, metal bodies formed to hollow pipe or corrugated plate form or granular refractories are mounted to the surfaces opposing to the webs or flanges to be corner joint welded. Then, even if there is any change in the clearances in lengthwise direction of grooves 5, the interpolating bodies sufficiently interpolate and therefore there is no fear for causing molten metal leakage.
COPYRIGHT: (C)1980,JPO&Japio
JP3621679A 1979-03-29 1979-03-29 Backing method of corner joint in square steel pipe Pending JPS55128393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3621679A JPS55128393A (en) 1979-03-29 1979-03-29 Backing method of corner joint in square steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3621679A JPS55128393A (en) 1979-03-29 1979-03-29 Backing method of corner joint in square steel pipe

Publications (1)

Publication Number Publication Date
JPS55128393A true JPS55128393A (en) 1980-10-04

Family

ID=12463557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3621679A Pending JPS55128393A (en) 1979-03-29 1979-03-29 Backing method of corner joint in square steel pipe

Country Status (1)

Country Link
JP (1) JPS55128393A (en)

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