EP2977479A4 - Steel material having superior toughness at welding heat affected zone - Google Patents

Steel material having superior toughness at welding heat affected zone

Info

Publication number
EP2977479A4
EP2977479A4 EP14767775.1A EP14767775A EP2977479A4 EP 2977479 A4 EP2977479 A4 EP 2977479A4 EP 14767775 A EP14767775 A EP 14767775A EP 2977479 A4 EP2977479 A4 EP 2977479A4
Authority
EP
European Patent Office
Prior art keywords
steel material
affected zone
heat affected
welding 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.)
Granted
Application number
EP14767775.1A
Other languages
German (de)
French (fr)
Other versions
EP2977479A1 (en
EP2977479B1 (en
Inventor
Takashi Sugitani
Masaki Shimamoto
Hidenori Nako
Sei Kimura
Shinsuke Sato
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 EP2977479A1 publication Critical patent/EP2977479A1/en
Publication of EP2977479A4 publication Critical patent/EP2977479A4/en
Application granted granted Critical
Publication of EP2977479B1 publication Critical patent/EP2977479B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/14—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
    • C22C38/16—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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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

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)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)
EP14767775.1A 2013-03-22 2014-03-17 Steel material having superior toughness at welding heat affected zone Not-in-force EP2977479B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013060452A JP6226542B2 (en) 2013-03-22 2013-03-22 Steel with excellent toughness in weld heat affected zone
PCT/JP2014/057205 WO2014148447A1 (en) 2013-03-22 2014-03-17 Steel material having superior toughness at welding heat affected zone

Publications (3)

Publication Number Publication Date
EP2977479A1 EP2977479A1 (en) 2016-01-27
EP2977479A4 true EP2977479A4 (en) 2016-11-30
EP2977479B1 EP2977479B1 (en) 2018-04-25

Family

ID=51580126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14767775.1A Not-in-force EP2977479B1 (en) 2013-03-22 2014-03-17 Steel material having superior toughness at welding heat affected zone

Country Status (5)

Country Link
EP (1) EP2977479B1 (en)
JP (1) JP6226542B2 (en)
KR (1) KR101718275B1 (en)
CN (1) CN105051229B (en)
WO (1) WO2014148447A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2016216819A (en) * 2015-05-22 2016-12-22 株式会社神戸製鋼所 Thick steel plate and welded joint
CN108350540A (en) * 2015-12-04 2018-07-31 株式会社神户制钢所 The low-temperature flexibility of welding heat affected zone is inhibited to deteriorate the non-quenched and tempered steel plate with high-yield strength with the hardness of welding heat affected zone
KR102113045B1 (en) * 2016-02-19 2020-05-20 닛폰세이테츠 가부시키가이샤 River
CN108603260B (en) * 2016-02-19 2021-08-13 日本制铁株式会社 Steel
WO2017183630A1 (en) * 2016-04-19 2017-10-26 新日鐵住金株式会社 Steel
JP6828638B2 (en) * 2017-08-14 2021-02-10 日本製鉄株式会社 Steel plate and steel plate manufacturing method
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
JP7172100B2 (en) * 2018-04-02 2022-11-16 日本製鉄株式会社 Non-oriented electrical steel sheet
JP7328491B2 (en) * 2018-11-09 2023-08-17 日本製鉄株式会社 Non-oriented electrical steel sheet
CN113614271A (en) 2019-06-27 2021-11-05 日本制铁株式会社 Steel material and method for producing same
JP7492118B2 (en) 2020-03-25 2024-05-29 日本製鉄株式会社 Steel product with low ductile MnS, steel slab, and manufacturing method thereof
CN113025903B (en) * 2021-03-04 2022-03-25 东北大学 Fine-grain hot-rolled plate strip steel and preparation method thereof
CN114075617B (en) * 2021-09-30 2023-05-16 山东钢铁股份有限公司 Method for reducing harm of TiN inclusion in steel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008088486A (en) * 2006-09-29 2008-04-17 Kobe Steel Ltd Steel material excellent in toughness and brittle fracture incident characteristic of welding heat-affected zone, and producing method therefor
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
JP2011038180A (en) * 2009-07-15 2011-02-24 Kobe Steel Ltd Steel member having excellent toughness in weld heat affected zone, and method for producing the same
JP2011127220A (en) * 2009-11-18 2011-06-30 Kobe Steel Ltd Method for manufacturing steel member excellent in toughness at weld heat-affected zone
JP2011219797A (en) * 2010-04-07 2011-11-04 Kobe Steel Ltd Thick steel plate excellent in toughness of weld heat-affected zone
JP2012162797A (en) * 2011-01-18 2012-08-30 Kobe Steel Ltd Steel excellent in toughness of weld heat affected zone and method for producing thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11264048A (en) 1998-03-16 1999-09-28 Nippon Steel Corp High-strength steel plate excellent in toughness of welded zone
JP4144121B2 (en) 1999-07-06 2008-09-03 Ｊｆｅスチール株式会社 Non-tempered high strength steel with excellent toughness of base metal and weld heat affected zone
JP4762450B2 (en) 2001-08-06 2011-08-31 新日本製鐵株式会社 Method for producing high strength welded structural steel with excellent base metal toughness and weld zone HAZ toughness
JP4039223B2 (en) 2002-01-22 2008-01-30 Ｊｆｅスチール株式会社 Thick steel plate with excellent super tough heat input weld heat affected zone toughness and method for producing the same
JP4261968B2 (en) 2003-04-24 2009-05-13 新日本製鐵株式会社 Steel material excellent in weld heat-affected zone toughness and manufacturing method thereof
JP5231042B2 (en) * 2008-02-20 2013-07-10 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
JP5342902B2 (en) * 2009-03-11 2013-11-13 株式会社神戸製鋼所 Steel material excellent in toughness and base metal fatigue characteristics of weld heat-affected zone and its manufacturing method
JP5158272B2 (en) * 2011-03-10 2013-03-06 新日鐵住金株式会社 High-strength steel sheet with excellent stretch flangeability and bending workability and method for producing the molten steel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008088486A (en) * 2006-09-29 2008-04-17 Kobe Steel Ltd Steel material excellent in toughness and brittle fracture incident characteristic of welding heat-affected zone, and producing method therefor
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
JP2011038180A (en) * 2009-07-15 2011-02-24 Kobe Steel Ltd Steel member having excellent toughness in weld heat affected zone, and method for producing the same
JP2011127220A (en) * 2009-11-18 2011-06-30 Kobe Steel Ltd Method for manufacturing steel member excellent in toughness at weld heat-affected zone
JP2011219797A (en) * 2010-04-07 2011-11-04 Kobe Steel Ltd Thick steel plate excellent in toughness of weld heat-affected zone
JP2012162797A (en) * 2011-01-18 2012-08-30 Kobe Steel Ltd Steel excellent in toughness of weld heat affected zone and method for producing thereof
EP2666880A1 (en) * 2011-01-18 2013-11-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014148447A1 *

Also Published As

Publication number Publication date
EP2977479A1 (en) 2016-01-27
CN105051229B (en) 2017-03-15
EP2977479B1 (en) 2018-04-25
CN105051229A (en) 2015-11-11
KR101718275B1 (en) 2017-03-20
JP2014185364A (en) 2014-10-02
KR20150119391A (en) 2015-10-23
WO2014148447A1 (en) 2014-09-25
JP6226542B2 (en) 2017-11-08

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