EP3375900A4 - Electric resistance welded steel tube for line pipe - Google Patents

Electric resistance welded steel tube for line pipe Download PDF

Info

Publication number
EP3375900A4
EP3375900A4 EP17770030.9A EP17770030A EP3375900A4 EP 3375900 A4 EP3375900 A4 EP 3375900A4 EP 17770030 A EP17770030 A EP 17770030A EP 3375900 A4 EP3375900 A4 EP 3375900A4
Authority
EP
European Patent Office
Prior art keywords
electric resistance
steel tube
welded steel
line pipe
resistance welded
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.)
Withdrawn
Application number
EP17770030.9A
Other languages
German (de)
French (fr)
Other versions
EP3375900A1 (en
Inventor
Kensuke Nagai
Masakazu Ozaki
Noboru Hasegawa
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
Publication of EP3375900A1 publication Critical patent/EP3375900A1/en
Publication of EP3375900A4 publication Critical patent/EP3375900A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
EP17770030.9A 2016-03-22 2017-03-13 Electric resistance welded steel tube for line pipe Withdrawn EP3375900A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016056858 2016-03-22
PCT/JP2017/010023 WO2017163987A1 (en) 2016-03-22 2017-03-13 Electric resistance welded steel tube for line pipe

Publications (2)

Publication Number Publication Date
EP3375900A1 EP3375900A1 (en) 2018-09-19
EP3375900A4 true EP3375900A4 (en) 2019-07-17

Family

ID=59899525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17770030.9A Withdrawn EP3375900A4 (en) 2016-03-22 2017-03-13 Electric resistance welded steel tube for line pipe

Country Status (5)

Country Link
EP (1) EP3375900A4 (en)
JP (1) JP6213703B1 (en)
KR (1) KR20180077259A (en)
CN (1) CN108368582A (en)
WO (1) WO2017163987A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020171209A1 (en) * 2019-02-21 2020-08-27 日本製鉄株式会社 High-strength electric-resistance-welded steel pipe, and method for using high-strength electric-resistance-welded steel pipe in construction work to stabilize foundation
KR102555312B1 (en) * 2019-03-29 2023-07-12 제이에프이 스틸 가부시키가이샤 Electric resistance steel pipe, manufacturing method thereof, and steel pipe pile
WO2021038632A1 (en) 2019-08-23 2021-03-04 日本製鉄株式会社 Electric-resistance-welded steel pipe for line pipes
TR201921217A2 (en) * 2019-12-24 2021-07-26 Tirsan Kardan Sanayi Ve Ticaret Anonim Sirketi High strength, low alloy steel composition
WO2021161366A1 (en) * 2020-02-10 2021-08-19 日本製鉄株式会社 Line pipe-use electric resistance welded steel pipe
EP4095280A4 (en) 2020-04-02 2022-12-28 JFE Steel Corporation Electroseamed steel pipe, and method for manufacturing same
EP4206338A4 (en) 2020-08-28 2023-10-25 Nippon Steel Corporation Electric resistance welded steel pipe
EP4206345A4 (en) * 2020-10-05 2024-01-17 Jfe Steel Corp Electric resistance welded steel pipe and method for manufacturing same
WO2023014330A1 (en) * 2021-08-04 2023-02-09 Ti̇rsan Kardan Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ New micro-alloy steel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2397570A1 (en) * 2009-10-28 2011-12-21 Nippon Steel Corporation Steel plate for line pipes with excellent strength and ductility and process for production of same
EP2752499A1 (en) * 2011-08-23 2014-07-09 Nippon Steel & Sumitomo Metal Corporation Thick-walled electric-resistance-welded steel pipe and process for producing same
JP2014189808A (en) * 2013-03-26 2014-10-06 Kobe Steel Ltd Low yield ratio-type high strength steel sheet excellent in hydrogen induced cracking resistance and bendability
WO2015151469A1 (en) * 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 Steel material for highly-deformable line pipes having superior strain aging characteristics and anti-hic characteristics, method for manufacturing same, and welded steel pipe

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06158177A (en) * 1992-11-26 1994-06-07 Sumitomo Metal Ind Ltd Production of high toughness electric resistance welded pipe
JPH10176239A (en) 1996-10-17 1998-06-30 Kobe Steel Ltd High strength and low yield ratio hot rolled steel sheet for pipe and its production
JP3932821B2 (en) * 2001-04-06 2007-06-20 住友金属工業株式会社 ERW steel pipe excellent in strength and toughness and method for producing the same
EP1473376B1 (en) * 2002-02-07 2015-11-18 JFE Steel Corporation High strength steel plate and method for production thereof
JP4266194B2 (en) * 2004-09-16 2009-05-20 株式会社東芝 Heat resistant steel, heat treatment method for heat resistant steel, and steam turbine rotor for high temperature
JP4466320B2 (en) 2004-10-27 2010-05-26 Ｊｆｅスチール株式会社 Manufacturing method of low yield ratio ERW steel pipe for line pipe
JP4984447B2 (en) * 2005-07-11 2012-07-25 Ｊｆｅスチール株式会社 Manufacturing method of low YR ERW steel pipe for line pipe
WO2008045631A2 (en) * 2006-10-06 2008-04-17 Exxonmobil Upstream Research Company Low yield ratio dual phase steel linepipe with superior strain aging resistance
JP4881773B2 (en) * 2007-03-23 2012-02-22 株式会社神戸製鋼所 Low yield ratio high strength steel plate with excellent low temperature toughness of weld heat affected zone
JP4528356B2 (en) * 2007-07-23 2010-08-18 新日本製鐵株式会社 Steel pipe with excellent deformation characteristics
WO2012133558A1 (en) 2011-03-30 2012-10-04 新日本製鐵株式会社 Electroseamed steel pipe and process for producing same
CN103014554B (en) * 2011-09-26 2014-12-03 宝山钢铁股份有限公司 Low-yield-ratio high-tenacity steel plate and manufacture method thereof
JP5708723B2 (en) * 2013-07-09 2015-04-30 Ｊｆｅスチール株式会社 Thick ERW steel pipe with excellent low temperature fracture toughness for line pipe and method for producing the same
JP2016056858A (en) 2014-09-08 2016-04-21 株式会社テイエルブイ Steam trap

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2397570A1 (en) * 2009-10-28 2011-12-21 Nippon Steel Corporation Steel plate for line pipes with excellent strength and ductility and process for production of same
EP2752499A1 (en) * 2011-08-23 2014-07-09 Nippon Steel & Sumitomo Metal Corporation Thick-walled electric-resistance-welded steel pipe and process for producing same
JP2014189808A (en) * 2013-03-26 2014-10-06 Kobe Steel Ltd Low yield ratio-type high strength steel sheet excellent in hydrogen induced cracking resistance and bendability
WO2015151469A1 (en) * 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 Steel material for highly-deformable line pipes having superior strain aging characteristics and anti-hic characteristics, method for manufacturing same, and welded steel pipe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017163987A1 *

Also Published As

Publication number Publication date
KR20180077259A (en) 2018-07-06
JPWO2017163987A1 (en) 2018-03-29
EP3375900A1 (en) 2018-09-19
JP6213703B1 (en) 2017-10-18
WO2017163987A1 (en) 2017-09-28
CN108368582A (en) 2018-08-03

Similar Documents

Publication Publication Date Title
EP3375900A4 (en) Electric resistance welded steel tube for line pipe
GB2591714B (en) Joint device for steel pipe
EP3246427A4 (en) High strength electric resistance welded steel pipe and manufacturing method therefor
EP3228414A4 (en) Resistance spot welding method
EP3546610A4 (en) As-rolled type electric-resistance-welded steel pipe for line pipes
EP3085800A4 (en) Electric resistance welded steel pipe
EP3290146A4 (en) Resistance spot welding method
EP3020840A4 (en) Thick-walled electric resistance welded steel pipe for line pipe, and method for manufacturing said steel pipe
EP3205918A4 (en) Threaded joint for steel pipe
EP3067135A4 (en) Movable pipe outer diameter chamfering machine for improving welding
EP3093543A4 (en) Threaded joint for steel pipe
PL3604881T3 (en) Threaded connection for steel pipe
EP3018231A4 (en) Steel plate having excellent hydrogen-induced-cracking resistance and toughness, and steel tube for line pipe
EP3050990A4 (en) Electric resistance welded steel pipe for oil well
EP3392543A4 (en) Threaded joint for steel pipe
EP3608433A4 (en) Vertical-seam-welded steel pipe
EP3366968A4 (en) Threaded fitting for steel pipes
EP3428299A4 (en) Electroseamed steel pipe for line pipe
PL3660378T3 (en) Threaded connection for steel pipe
PL3708892T3 (en) Threaded connection for steel pipe
EP3354952A4 (en) Clamp for pipe
LT3383620T (en) Device for welding tubes
EP3409991A4 (en) Threaded joint for steel pipe
EP3470161A4 (en) Resistance spot welding method
EP3789159C0 (en) Pipe welding device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20180612

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NIPPON STEEL CORPORATION

A4 Supplementary search report drawn up and despatched

Effective date: 20190617

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/00 20060101AFI20190611BHEP

Ipc: C22C 38/04 20060101ALI20190611BHEP

Ipc: C21D 8/10 20060101ALI20190611BHEP

Ipc: C22C 38/50 20060101ALI20190611BHEP

Ipc: C22C 38/02 20060101ALI20190611BHEP

Ipc: C22C 38/06 20060101ALI20190611BHEP

Ipc: C22C 38/14 20060101ALI20190611BHEP

Ipc: C21D 8/02 20060101ALI20190611BHEP

Ipc: C21D 9/08 20060101ALI20190611BHEP

Ipc: C22C 38/12 20060101ALI20190611BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20200528

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20201008