EP2666880A4 - Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same - Google Patents

Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same

Info

Publication number
EP2666880A4
EP2666880A4 EP12736520.3A EP12736520A EP2666880A4 EP 2666880 A4 EP2666880 A4 EP 2666880A4 EP 12736520 A EP12736520 A EP 12736520A EP 2666880 A4 EP2666880 A4 EP 2666880A4
Authority
EP
European Patent Office
Prior art keywords
steel material
affected zone
manufacturing same
welded heat
superior toughness
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Withdrawn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
EP12736520.3A
Other languages
German (de)
French (fr)
Other versions
EP2666880A1 (en
Inventor
Takashi Sugitani
Tetsushi Deura
Yoshitomi Okazaki
Hidenori Nako
Hiroki Ohta
Masaki Shimamoto
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
Publication of EP2666880A1 publication Critical patent/EP2666880A1/en
Publication of EP2666880A4 publication Critical patent/EP2666880A4/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Withdrawn legal-status Critical Current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
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP12736520.3A 2011-01-18 2012-01-17 Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same Withdrawn EP2666880A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011008258 2011-01-18
JP2011206542A JP5651090B2 (en) 2011-01-18 2011-09-21 Steel material excellent in toughness of weld heat-affected zone and method for producing the same
PCT/JP2012/050852 WO2012099119A1 (en) 2011-01-18 2012-01-17 Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same

Publications (2)

Publication Number Publication Date
EP2666880A1 EP2666880A1 (en) 2013-11-27
EP2666880A4 true EP2666880A4 (en) 2015-02-25

Family

ID=46515742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12736520.3A Withdrawn EP2666880A4 (en) 2011-01-18 2012-01-17 Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same

Country Status (5)

Country Link
EP (1) EP2666880A4 (en)
JP (1) JP5651090B2 (en)
KR (1) KR101512257B1 (en)
CN (1) CN103328672B (en)
WO (1) WO2012099119A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102912221B (en) * 2012-10-12 2014-05-21 舞阳钢铁有限责任公司 Large-thickness structural steel plate for high-rise building and production method thereof
EP2975148B1 (en) * 2013-03-12 2019-02-27 JFE Steel Corporation Thick steel sheet having excellent ctod properties in multilayer welded joints, and manufacturing method for thick steel sheet
WO2014141633A1 (en) * 2013-03-12 2014-09-18 Ｊｆｅスチール株式会社 Thick steel sheet having excellent ctod properties in multilayer welded joints, and manufacturing method for thick steel sheet
JP6226542B2 (en) * 2013-03-22 2017-11-08 株式会社神戸製鋼所 Steel with excellent toughness in weld heat affected zone
JP6211296B2 (en) * 2013-04-30 2017-10-11 株式会社神戸製鋼所 Steel plate with excellent sour resistance and HAZ toughness
WO2015022899A1 (en) 2013-08-16 2015-02-19 新日鐵住金株式会社 Electric-resistance-welded steel pipe with excellent weld quality and method for producing same
JP6193206B2 (en) * 2013-12-11 2017-09-06 株式会社神戸製鋼所 Steel plate and line pipe steel pipe with excellent sour resistance, HAZ toughness and HAZ hardness
JP6301805B2 (en) * 2014-10-17 2018-03-28 株式会社神戸製鋼所 Thick steel plate for tanks with excellent toughness of weld heat affected zone
JP2018016890A (en) * 2017-09-26 2018-02-01 株式会社神戸製鋼所 Thick steel sheet for tank excellent in toughness of hot affected zone
CN116752044A (en) 2019-06-27 2023-09-15 日本制铁株式会社 Steel material and method for producing same
CN111321348B (en) * 2020-03-30 2022-01-11 南京钢铁股份有限公司 L-shaped steel of rib plate for LNG ship and manufacturing method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1312689A1 (en) * 2001-11-15 2003-05-21 Sumitomo Metal Industries, Ltd. Steel for machine structural use
JP2003221643A (en) * 2002-01-31 2003-08-08 Jfe Steel Kk Steel product showing excellent toughness of heat- affected zone in ultra-high heat input welding
JP2009084656A (en) * 2007-10-02 2009-04-23 Kobe Steel Ltd High-tensile-strength thick steel plate to be welded having superior toughness of base metal
JP2009138255A (en) * 2007-11-13 2009-06-25 Kobe Steel Ltd High tensile strength thick steel plate for welding, having excellent toughness in heat-affected zone at large heat-input welding
JP2009179844A (en) * 2008-01-30 2009-08-13 Kobe Steel Ltd High tensile strength thick steel plate having excellent toughness in weld heat affected zone
JP2009197267A (en) * 2008-02-20 2009-09-03 Kobe Steel Ltd Steel member having excellent toughness in weld heat affected zone, and method for producing the same
JP2010209433A (en) * 2009-03-11 2010-09-24 Kobe Steel Ltd Steel material superior in toughness of weld heat-affected zone and fatigue characteristics of base metal, and method for manufacturing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4950528B2 (en) * 2006-03-16 2012-06-13 株式会社神戸製鋼所 Low yield ratio high strength steel with excellent toughness of heat affected zone and its manufacturing method
JP4950529B2 (en) * 2006-03-16 2012-06-13 株式会社神戸製鋼所 Steel with excellent toughness and base metal toughness of weld heat affected zone and its manufacturing method
JP4515430B2 (en) * 2006-09-29 2010-07-28 株式会社神戸製鋼所 Steel with excellent toughness and base metal toughness of weld heat affected zone and its manufacturing method
JP5520105B2 (en) * 2009-07-15 2014-06-11 株式会社神戸製鋼所 Steel material excellent in toughness of weld heat-affected zone and method for producing the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1312689A1 (en) * 2001-11-15 2003-05-21 Sumitomo Metal Industries, Ltd. Steel for machine structural use
JP2003221643A (en) * 2002-01-31 2003-08-08 Jfe Steel Kk Steel product showing excellent toughness of heat- affected zone in ultra-high heat input welding
JP2009084656A (en) * 2007-10-02 2009-04-23 Kobe Steel Ltd High-tensile-strength thick steel plate to be welded having superior toughness of base metal
JP2009138255A (en) * 2007-11-13 2009-06-25 Kobe Steel Ltd High tensile strength thick steel plate for welding, having excellent toughness in heat-affected zone at large heat-input welding
JP2009179844A (en) * 2008-01-30 2009-08-13 Kobe Steel Ltd High tensile strength thick steel plate having excellent toughness in weld heat affected zone
JP2009197267A (en) * 2008-02-20 2009-09-03 Kobe Steel Ltd Steel member having excellent toughness in weld heat affected zone, and method for producing the same
JP2010209433A (en) * 2009-03-11 2010-09-24 Kobe Steel Ltd Steel material superior in toughness of weld heat-affected zone and fatigue characteristics of base metal, and method for manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012099119A1 *

Also Published As

Publication number Publication date
KR101512257B1 (en) 2015-04-14
WO2012099119A1 (en) 2012-07-26
EP2666880A1 (en) 2013-11-27
JP5651090B2 (en) 2015-01-07
JP2012162797A (en) 2012-08-30
KR20130105713A (en) 2013-09-25
CN103328672B (en) 2015-06-03
CN103328672A (en) 2013-09-25

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