KR20250156763A - 전봉 강관의 제조 방법 및 전봉 강관 - Google Patents

전봉 강관의 제조 방법 및 전봉 강관

Info

Publication number
KR20250156763A
KR20250156763A KR1020257032185A KR20257032185A KR20250156763A KR 20250156763 A KR20250156763 A KR 20250156763A KR 1020257032185 A KR1020257032185 A KR 1020257032185A KR 20257032185 A KR20257032185 A KR 20257032185A KR 20250156763 A KR20250156763 A KR 20250156763A
Authority
KR
South Korea
Prior art keywords
face
welded
steel pipe
end surface
weld
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
KR1020257032185A
Other languages
English (en)
Korean (ko)
Inventor
사토루 야마시타
아키노부 고바야시
Original Assignee
닛폰세이테츠 가부시키가이샤
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 닛폰세이테츠 가부시키가이샤 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20250156763A publication Critical patent/KR20250156763A/ko
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0826—Preparing the edges of the metal sheet with the aim of having some effect on the weld
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/083—Supply, or operations combined with supply, of strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
    • B21D5/12—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers
    • 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
    • B23K13/00—Welding by high-frequency current heating
    • 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
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/01—Welding by high-frequency current heating by induction heating
    • B23K13/02—Seam welding
    • B23K13/025—Seam welding for tubes
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Arc Welding In General (AREA)
KR1020257032185A 2023-03-16 2023-10-05 전봉 강관의 제조 방법 및 전봉 강관 Pending KR20250156763A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2023-041937 2023-03-16
JP2023041937 2023-03-16
PCT/JP2023/036365 WO2024189948A1 (ja) 2023-03-16 2023-10-05 電縫鋼管の製造方法及び電縫鋼管

Publications (1)

Publication Number Publication Date
KR20250156763A true KR20250156763A (ko) 2025-11-03

Family

ID=92754568

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257032185A Pending KR20250156763A (ko) 2023-03-16 2023-10-05 전봉 강관의 제조 방법 및 전봉 강관

Country Status (6)

Country Link
EP (1) EP4681835A1 (https=)
JP (1) JPWO2024189948A1 (https=)
KR (1) KR20250156763A (https=)
CN (1) CN120752101A (https=)
TW (1) TWI892252B (https=)
WO (1) WO2024189948A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04197516A (ja) 1990-11-28 1992-07-17 Nisshin Steel Co Ltd 溶接用めっき鋼帯の研削装置
JP2009045643A (ja) 2007-08-20 2009-03-05 Jfe Steel Kk 溶接部特性に優れた電縫管製造方法
JP2013139051A (ja) 2011-12-08 2013-07-18 Jfe Steel Corp 低温靭性に優れる電縫鋼管の製造方法
WO2020183883A1 (ja) 2019-03-12 2020-09-17 日本製鉄株式会社 切断方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948710B2 (ja) * 1975-12-03 1984-11-28 日新製鋼株式会社 キンゾクメツキコウカンノ セイゾウホウホウ
JPH09279324A (ja) * 1996-04-16 1997-10-28 Nkk Corp 溶融めっき電縫鋼管のめっき補修方法
JP2008105061A (ja) * 2006-10-26 2008-05-08 Jfe Steel Kk 溶接部特性に優れた電縫管製造方法
CN101617062B (zh) * 2007-02-28 2012-07-04 杰富意钢铁株式会社 焊接部韧性优良的用于管道钢管的电阻焊钢管
JP5223379B2 (ja) * 2007-03-08 2013-06-26 新日鐵住金株式会社 低温靭性に優れるスパイラルパイプ用高強度熱延鋼板およびその製造方法
US8794215B2 (en) * 2009-03-12 2014-08-05 Nippon Steel & Sumitomo Metal Corporation Method of producing common rail and common rail
BR112014028915B1 (pt) * 2012-05-25 2019-05-14 Nippon Steel & Sumitomo Metal Corporation Estabilizador oco, e tubo de aço para estabilizadores ocos e método de produção dos mesmos
JP5516680B2 (ja) * 2012-09-24 2014-06-11 Ｊｆｅスチール株式会社 電縫溶接部の耐ｈｉｃ性および低温靭性に優れた電縫鋼管およびその製造方法
JP6166679B2 (ja) * 2014-03-17 2017-07-19 日新製鋼株式会社 めっき溶接鋼管の製造方法
CN107002194B (zh) * 2014-11-27 2022-05-17 杰富意钢铁株式会社 电阻焊钢管及其制造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04197516A (ja) 1990-11-28 1992-07-17 Nisshin Steel Co Ltd 溶接用めっき鋼帯の研削装置
JP2009045643A (ja) 2007-08-20 2009-03-05 Jfe Steel Kk 溶接部特性に優れた電縫管製造方法
JP2013139051A (ja) 2011-12-08 2013-07-18 Jfe Steel Corp 低温靭性に優れる電縫鋼管の製造方法
WO2020183883A1 (ja) 2019-03-12 2020-09-17 日本製鉄株式会社 切断方法

Also Published As

Publication number Publication date
TW202438683A (zh) 2024-10-01
JPWO2024189948A1 (https=) 2024-09-19
WO2024189948A1 (ja) 2024-09-19
CN120752101A (zh) 2025-10-03
EP4681835A1 (en) 2026-01-21
TWI892252B (zh) 2025-08-01

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