JPS57190782A - Butt welding method for low alloy steel - Google Patents

Butt welding method for low alloy steel

Info

Publication number
JPS57190782A
JPS57190782A JP7629081A JP7629081A JPS57190782A JP S57190782 A JPS57190782 A JP S57190782A JP 7629081 A JP7629081 A JP 7629081A JP 7629081 A JP7629081 A JP 7629081A JP S57190782 A JPS57190782 A JP S57190782A
Authority
JP
Japan
Prior art keywords
welding
stress relief
relief annealing
balance
butt welding
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
JP7629081A
Other languages
Japanese (ja)
Inventor
Koji Arita
Yasuo Murai
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP7629081A priority Critical patent/JPS57190782A/en
Publication of JPS57190782A publication Critical patent/JPS57190782A/en
Pending 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
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/308—Fe as the principal constituent with Cr as next major constituent

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

PURPOSE:To prevent the generation of stress relief annealing cracks without degrading joint strength by executing buttering welding with a high temp. high strength material of low stress relief annealing crack sensitivity and subjecting the work to preliminary stress relief annealing then to regular welding. CONSTITUTION:In the stage of butt welding of thick low alloy steel plate consisting of >=0.10wt% C, 0.5-2.0% Cr, >=0.3% Mo, >=0.03% V, and the balance Fe and unavoidable impurities, the groove surfaces of said thick steel plate is subjected to build-up welding with a welding material consisting of <0.10 C, 2.0-3.5% Cr, 0.3-1.4% Mo and the balance Fe and unavoidable impurities and to preliminary stress relief annealing, after which it is subjected to regular butt welding with a welding material consisting of <1.0%, C, 2.0-3.5% Cr, 0.3-0.5% Mo, or any one of 0.5-3.5% Cr, 0.5-1.4% Mo, or 0.1-0.50% V, and the balance Fe and unavoidable impurities, followed by stress relief annealing.
JP7629081A 1981-05-19 1981-05-19 Butt welding method for low alloy steel Pending JPS57190782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7629081A JPS57190782A (en) 1981-05-19 1981-05-19 Butt welding method for low alloy steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7629081A JPS57190782A (en) 1981-05-19 1981-05-19 Butt welding method for low alloy steel

Publications (1)

Publication Number Publication Date
JPS57190782A true JPS57190782A (en) 1982-11-24

Family

ID=13601193

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7629081A Pending JPS57190782A (en) 1981-05-19 1981-05-19 Butt welding method for low alloy steel

Country Status (1)

Country Link
JP (1) JPS57190782A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07204841A (en) * 1994-01-20 1995-08-08 Nippon Steel Corp Preventing method for bent shape defect of penetration welding bead route toe part provided with asymmetric throat
CN102784998A (en) * 2012-08-08 2012-11-21 武汉钢铁(集团)公司 Butt-joint manual welding method for high-strength bridge steel with thickness of 80 mm
RU2734312C1 (en) * 2020-03-17 2020-10-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева-КАИ" (КНИТУ-КАИ) Metal pipelines repair method in field conditions and installation for its implementation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07204841A (en) * 1994-01-20 1995-08-08 Nippon Steel Corp Preventing method for bent shape defect of penetration welding bead route toe part provided with asymmetric throat
CN102784998A (en) * 2012-08-08 2012-11-21 武汉钢铁(集团)公司 Butt-joint manual welding method for high-strength bridge steel with thickness of 80 mm
RU2734312C1 (en) * 2020-03-17 2020-10-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева-КАИ" (КНИТУ-КАИ) Metal pipelines repair method in field conditions and installation for its implementation

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