EP3375900A4 - Elektrisches widerstandsgeschweisstes stahlrohr für ein leitungsrohr - Google Patents

Elektrisches widerstandsgeschweisstes stahlrohr für ein leitungsrohr 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
piping
electrical resistance
steel tube
tube welded
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Withdrawn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
English (en)
French (fr)
Other versions
EP3375900A1 (de
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/de
Publication of EP3375900A4 publication Critical patent/EP3375900A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
EP17770030.9A 2016-03-22 2017-03-13 Elektrisches widerstandsgeschweisstes stahlrohr für ein leitungsrohr Withdrawn EP3375900A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016056858 2016-03-22
PCT/JP2017/010023 WO2017163987A1 (ja) 2016-03-22 2017-03-13 ラインパイプ用電縫鋼管

Publications (2)

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

Family

ID=59899525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17770030.9A Withdrawn EP3375900A4 (de) 2016-03-22 2017-03-13 Elektrisches widerstandsgeschweisstes stahlrohr für ein leitungsrohr

Country Status (5)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020171209A1 (ja) * 2019-02-21 2020-08-27 日本製鉄株式会社 高強度電縫鋼管および地盤安定化工事用高強度電縫鋼管の使用方法
WO2020202333A1 (ja) * 2019-03-29 2020-10-08 Jfeスチール株式会社 電縫鋼管およびその製造方法、並びに鋼管杭
JP6693610B1 (ja) * 2019-08-23 2020-05-13 日本製鉄株式会社 ラインパイプ用電縫鋼管
TR201921217A2 (tr) * 2019-12-24 2021-07-26 Tirsan Kardan Sanayi Ve Ticaret Anonim Sirketi Yüksek mukavemetli, düşük alaşımlı çelik kompozisyonu
KR102730861B1 (ko) * 2020-02-10 2024-11-18 닛폰세이테츠 가부시키가이샤 라인파이프용 전봉 강관
WO2021200402A1 (ja) 2020-04-02 2021-10-07 Jfeスチール株式会社 電縫鋼管およびその製造方法
EP4206338A4 (de) 2020-08-28 2023-10-25 Nippon Steel Corporation Widerstandsgeschweisstes stahlrohr
JP7081727B1 (ja) * 2020-10-05 2022-06-07 Jfeスチール株式会社 電縫鋼管およびその製造方法
JP6874925B1 (ja) * 2020-10-22 2021-05-19 日本製鉄株式会社 機械構造部品用電縫鋼管及びその製造方法
WO2022215548A1 (ja) * 2021-04-08 2022-10-13 日本製鉄株式会社 熱間縮径電縫管
TR2021012359A2 (tr) * 2021-08-04 2023-02-21 Tirsan Kardan Sanayi Ve Ticaret Anonim Sirketi Yeni bir mikro alaşımlı çelik
WO2025173072A1 (ja) * 2024-02-13 2025-08-21 日本製鉄株式会社 ラインパイプ用電縫鋼管

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2397570A1 (de) * 2009-10-28 2011-12-21 Nippon Steel Corporation Stahlplatte für leitungsrohre mit hervorragender festigkeit und duktilität und herstellungsverfahren dafür
EP2752499A1 (de) * 2011-08-23 2014-07-09 Nippon Steel & Sumitomo Metal Corporation Dickwandiges widerstandgeschweisstes stahlrohr und verfahren zu seiner herstellung
JP2014189808A (ja) * 2013-03-26 2014-10-06 Kobe Steel Ltd 耐水素誘起割れ性と曲げ性に優れた低降伏比型高強度鋼板
WO2015151469A1 (ja) * 2014-03-31 2015-10-08 Jfeスチール株式会社 耐歪時効特性及び耐hic特性に優れた高変形能ラインパイプ用鋼材およびその製造方法ならびに溶接鋼管

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06158177A (ja) * 1992-11-26 1994-06-07 Sumitomo Metal Ind Ltd 高靭性電縫鋼管の製造方法
JPH10176239A (ja) 1996-10-17 1998-06-30 Kobe Steel Ltd 高強度低降伏比パイプ用熱延鋼板及びその製造方法
JP3932821B2 (ja) * 2001-04-06 2007-06-20 住友金属工業株式会社 強度および靱性に優れる電縫鋼管およびその製造方法
KR20040075971A (ko) * 2002-02-07 2004-08-30 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그 제조방법
JP4266194B2 (ja) * 2004-09-16 2009-05-20 株式会社東芝 耐熱鋼、耐熱鋼の熱処理方法および高温用蒸気タービンロータ
JP4466320B2 (ja) 2004-10-27 2010-05-26 Jfeスチール株式会社 ラインパイプ用低降伏比電縫鋼管の製造方法
JP4984447B2 (ja) * 2005-07-11 2012-07-25 Jfeスチール株式会社 ラインパイプ向け低yr電縫鋼管の製造方法
KR20090078807A (ko) * 2006-10-06 2009-07-20 엑손모빌 업스트림 리서치 캄파니 탁월한 변형 시효 저항성을 갖는 낮은 항복비의 복합조직강 라인파이프
JP4881773B2 (ja) * 2007-03-23 2012-02-22 株式会社神戸製鋼所 溶接熱影響部の低温靭性に優れた低降伏比高張力鋼板
KR101257547B1 (ko) * 2007-07-23 2013-04-23 신닛테츠스미킨 카부시키카이샤 변형 특성이 우수한 강관 및 그 제조 방법
WO2012133558A1 (ja) 2011-03-30 2012-10-04 新日本製鐵株式会社 電縫鋼管及びその製造方法
CN103014554B (zh) * 2011-09-26 2014-12-03 宝山钢铁股份有限公司 一种低屈强比高韧性钢板及其制造方法
JP5708723B2 (ja) * 2013-07-09 2015-04-30 Jfeスチール株式会社 低温破壊靭性に優れたラインパイプ用厚肉電縫鋼管およびその製造方法
JP2016056858A (ja) 2014-09-08 2016-04-21 株式会社テイエルブイ スチームトラップ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2397570A1 (de) * 2009-10-28 2011-12-21 Nippon Steel Corporation Stahlplatte für leitungsrohre mit hervorragender festigkeit und duktilität und herstellungsverfahren dafür
EP2752499A1 (de) * 2011-08-23 2014-07-09 Nippon Steel & Sumitomo Metal Corporation Dickwandiges widerstandgeschweisstes stahlrohr und verfahren zu seiner herstellung
JP2014189808A (ja) * 2013-03-26 2014-10-06 Kobe Steel Ltd 耐水素誘起割れ性と曲げ性に優れた低降伏比型高強度鋼板
WO2015151469A1 (ja) * 2014-03-31 2015-10-08 Jfeスチール株式会社 耐歪時効特性及び耐hic特性に優れた高変形能ラインパイプ用鋼材およびその製造方法ならびに溶接鋼管

Non-Patent Citations (1)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
EP3375900A4 (de) Elektrisches widerstandsgeschweisstes stahlrohr für ein leitungsrohr
EP3546610A4 (de) Rohgewalztes widerstandsgeschweisstes stahlrohr für leitungsrohre
EP2952601A4 (de) Widerstandsgeschweisstes stahlrohr
EP2902519A4 (de) Widerstandsgeschweisstes stahlrohr
EP3604881A4 (de) Schraubverbindung für stahlrohre
EP3901301A4 (de) Widerstandsgeschweisstes stahlrohr
EP3572701A4 (de) Schraubverbindung für stahlrohre
EP2965848A4 (de) Widerstandspunktschweissverfahren
EP3053693A4 (de) Widerstandspunktschweissverfahren
EP3020840A4 (de) Dickwandiges widerstandsgeschweisstes stahlrohr für ein leitungsrohr und verfahren zur herstellung dieses stahlrohrs
EP3366968A4 (de) Gewindeanschluss für stahlrohre
EP3085800A4 (de) Widerstandsgeschweisstes stahlrohr
EP3421855A4 (de) Schraubverbindung für stahlrohre
EP3511081A4 (de) Widerstandsgeschweisstes plattiertes stahlrohr und verfahren zur herstellung davon
EP3392543A4 (de) Schraubverbindung für stahlrohre
EP3428299A4 (de) Elektronahtgeschweisstes stahlrohr für leitungsrohre
DK3383620T3 (da) Indretning til svejsning af slanger
EP3872205A4 (de) Elektrisches widerstandsgeschweisstes stahlrohr für ein leitungsrohr
EP3470161A4 (de) Widerstandspunktschweissverfahren
EP3521475A4 (de) Widerstandsgeschweisstes stahlrohr für einen verbundlenker
EP3050990A4 (de) Widerstandsgeschweisstes stahlrohr für ein ölbohrloch
EP3409991A4 (de) Schraubverbindung für stahlrohre
EP3078444A4 (de) Widerstandspunktschweissverfahren
EP3722646A4 (de) Schraubverbindung für stahlrohre
EP2886238A4 (de) Schweissvorrichtung für ein widerstandsgeschweisstes rohr

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