EP1736562A4 - Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding - Google Patents

Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding

Info

Publication number
EP1736562A4
EP1736562A4 EP05730695A EP05730695A EP1736562A4 EP 1736562 A4 EP1736562 A4 EP 1736562A4 EP 05730695 A EP05730695 A EP 05730695A EP 05730695 A EP05730695 A EP 05730695A EP 1736562 A4 EP1736562 A4 EP 1736562A4
Authority
EP
European Patent Office
Prior art keywords
welding
steel plate
low temperature
strength steel
affected zone
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Withdrawn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
EP05730695A
Other languages
German (de)
French (fr)
Other versions
EP1736562A1 (en
Inventor
Minoru Ito
Akihiko Kojima
Masanori Minagawa
Yoichi Tanaka
Toshiei Hasegawa
Jun Otani
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 EP1736562A1 publication Critical patent/EP1736562A1/en
Publication of EP1736562A4 publication Critical patent/EP1736562A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
EP05730695A 2004-04-07 2005-04-06 Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding Withdrawn EP1736562A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004113278 2004-04-07
JP2005102041A JP4660250B2 (en) 2004-04-07 2005-03-31 Thick high-strength steel sheet with excellent low-temperature toughness in the heat affected zone by high heat input welding
PCT/JP2005/007109 WO2005098068A1 (en) 2004-04-07 2005-04-06 Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding

Publications (2)

Publication Number Publication Date
EP1736562A1 EP1736562A1 (en) 2006-12-27
EP1736562A4 true EP1736562A4 (en) 2007-10-10

Family

ID=35125101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05730695A Withdrawn EP1736562A4 (en) 2004-04-07 2005-04-06 Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding

Country Status (8)

Country Link
US (1) US20070181223A1 (en)
EP (1) EP1736562A4 (en)
JP (1) JP4660250B2 (en)
KR (1) KR100839262B1 (en)
NO (1) NO20065095L (en)
SG (1) SG151274A1 (en)
TW (1) TWI295693B (en)
WO (1) WO2005098068A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4901262B2 (en) * 2006-03-29 2012-03-21 新日本製鐵株式会社 Thick steel plate with excellent toughness of heat affected zone
JP4891836B2 (en) * 2007-05-09 2012-03-07 株式会社神戸製鋼所 Steel plate with excellent toughness of weld heat affected zone in high heat input welding
JP5096088B2 (en) * 2007-09-13 2012-12-12 株式会社神戸製鋼所 Welded joints with excellent toughness and fatigue cracking suppression properties
KR101018159B1 (en) * 2008-05-15 2011-02-28 주식회사 포스코 High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof
KR100951296B1 (en) * 2007-12-04 2010-04-02 주식회사 포스코 Steel plate for linepipe having high strength and excellent low temperature toughness and manufacturing method of the same
ES2402548T3 (en) * 2007-12-04 2013-05-06 Posco Steel sheet with high strength and excellent low temperature hardness and method of manufacturing it
EP2218800B1 (en) * 2007-12-07 2012-05-16 Nippon Steel Corporation Steel with weld heat-affected zone having excellent ctod properties and process for producing the steel
TWI468529B (en) * 2009-04-27 2015-01-11 China Steel Corp High strength steels and components thereof for high welding heat welding
US8668784B2 (en) 2009-05-19 2014-03-11 Nippon Steel & Sumitomo Metal Corporation Steel for welded structure and producing method thereof
TWI365915B (en) * 2009-05-21 2012-06-11 Nippon Steel Corp Steel for welded structure and producing method thereof
KR101850571B1 (en) * 2010-11-22 2018-04-19 신닛테츠스미킨 카부시키카이샤 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor
KR101339528B1 (en) * 2010-11-22 2013-12-10 신닛테츠스미킨 카부시키카이샤 Electron-beam welded joint, steel sheet for electron-beam welding, and manufacturing method therefor
KR20120075274A (en) * 2010-12-28 2012-07-06 주식회사 포스코 High strength steel sheet having ultra low temperature toughness and method for manufacturing the same
JP5612532B2 (en) * 2011-04-26 2014-10-22 株式会社神戸製鋼所 Steel sheet excellent in low temperature toughness and weld joint fracture toughness and method for producing the same
JP5811044B2 (en) * 2012-06-13 2015-11-11 新日鐵住金株式会社 Thick high-strength steel sheet excellent in weldability and weld heat-affected zone toughness and method for producing the same
WO2014199488A1 (en) * 2013-06-13 2014-12-18 新日鐵住金株式会社 Ultrahigh-tensile-strength steel plate for welding
JP5713135B1 (en) 2013-11-19 2015-05-07 新日鐵住金株式会社 steel sheet
CN103898418B (en) * 2014-03-07 2016-05-04 舞阳钢铁有限责任公司 Large thickness Ni is low-temperature (low temperature) vessel steel plate and production method thereof
CN103938065B (en) * 2014-04-22 2015-10-28 钢铁研究总院 In a kind of high input energy welding steel, compound adds the method for magnesium titanium
CN105039865B (en) * 2015-08-26 2017-07-14 江苏省沙钢钢铁研究院有限公司 A kind of high-strength high-toughness steel plate and its manufacture method
JP7260780B2 (en) * 2019-06-17 2023-04-19 日本製鉄株式会社 High strength steel plate for high heat input welding
JP7260779B2 (en) * 2019-06-17 2023-04-19 日本製鉄株式会社 High strength steel plate for high heat input welding
CN113186466B (en) * 2021-04-27 2022-05-17 江苏省沙钢钢铁研究院有限公司 Low-temperature steel bar and production method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH093597A (en) * 1995-06-21 1997-01-07 Nippon Steel Corp Steel for low temperature use excellent in toughness of weld heat affected zone and its production
JPH11279684A (en) * 1998-03-26 1999-10-12 Nippon Steel Corp High tensile strength steel for welding, excellent in toughness in extra large heat input weld heat-affected zone
JPH11293383A (en) * 1998-04-09 1999-10-26 Nippon Steel Corp Thick steel plate minimal in hydrogen induced defect, and its production
EP1221493A1 (en) * 2000-05-09 2002-07-10 Nippon Steel Corporation THICK STEEL PLATE BEING EXCELLENT IN CTOD CHARACTERISTIC IN WELDING HEAT AFFECTED ZONE AND HAVING YIELD STRENGTH OF 460 Mpa OR MORE
JP2003313628A (en) * 2002-04-22 2003-11-06 Nippon Steel Corp Steel product superior in toughness of weld heat- affected zone

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2760713B2 (en) * 1992-09-24 1998-06-04 新日本製鐵株式会社 Method for producing controlled rolled steel with excellent fire resistance and toughness

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH093597A (en) * 1995-06-21 1997-01-07 Nippon Steel Corp Steel for low temperature use excellent in toughness of weld heat affected zone and its production
JPH11279684A (en) * 1998-03-26 1999-10-12 Nippon Steel Corp High tensile strength steel for welding, excellent in toughness in extra large heat input weld heat-affected zone
JPH11293383A (en) * 1998-04-09 1999-10-26 Nippon Steel Corp Thick steel plate minimal in hydrogen induced defect, and its production
EP1221493A1 (en) * 2000-05-09 2002-07-10 Nippon Steel Corporation THICK STEEL PLATE BEING EXCELLENT IN CTOD CHARACTERISTIC IN WELDING HEAT AFFECTED ZONE AND HAVING YIELD STRENGTH OF 460 Mpa OR MORE
JP2003313628A (en) * 2002-04-22 2003-11-06 Nippon Steel Corp Steel product superior in toughness of weld heat- affected zone

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005098068A1 *

Also Published As

Publication number Publication date
US20070181223A1 (en) 2007-08-09
KR100839262B1 (en) 2008-06-17
NO20065095L (en) 2007-01-03
SG151274A1 (en) 2009-04-30
TW200538561A (en) 2005-12-01
JP2005320624A (en) 2005-11-17
TWI295693B (en) 2008-04-11
JP4660250B2 (en) 2011-03-30
EP1736562A1 (en) 2006-12-27
WO2005098068A1 (en) 2005-10-20
KR20060130700A (en) 2006-12-19

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