EP3447162A4 - Thick steel plate - Google Patents

Thick steel plate Download PDF

Info

Publication number
EP3447162A4
EP3447162A4 EP17786057.4A EP17786057A EP3447162A4 EP 3447162 A4 EP3447162 A4 EP 3447162A4 EP 17786057 A EP17786057 A EP 17786057A EP 3447162 A4 EP3447162 A4 EP 3447162A4
Authority
EP
European Patent Office
Prior art keywords
steel plate
thick steel
thick
plate
steel
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
EP17786057.4A
Other languages
German (de)
French (fr)
Other versions
EP3447162B1 (en
EP3447162A1 (en
Inventor
Kazuki KASANO
Masahiro Oguri
Takahiro Kamo
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
Priority claimed from JP2016085148A external-priority patent/JP6662174B2/en
Priority claimed from JP2016085147A external-priority patent/JP6747032B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP3447162A1 publication Critical patent/EP3447162A1/en
Publication of EP3447162A4 publication Critical patent/EP3447162A4/en
Application granted granted Critical
Publication of EP3447162B1 publication Critical patent/EP3447162B1/en
Active 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • C22C38/14—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

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)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP17786057.4A 2016-04-21 2017-04-21 Thick steel plate Active EP3447162B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016085148A JP6662174B2 (en) 2016-04-21 2016-04-21 Steel plate
JP2016085147A JP6747032B2 (en) 2016-04-21 2016-04-21 Thick steel plate
PCT/JP2017/016090 WO2017183720A1 (en) 2016-04-21 2017-04-21 Thick steel plate

Publications (3)

Publication Number Publication Date
EP3447162A1 EP3447162A1 (en) 2019-02-27
EP3447162A4 true EP3447162A4 (en) 2019-10-02
EP3447162B1 EP3447162B1 (en) 2020-12-30

Family

ID=60116163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17786057.4A Active EP3447162B1 (en) 2016-04-21 2017-04-21 Thick steel plate

Country Status (4)

Country Link
EP (1) EP3447162B1 (en)
KR (1) KR20180132909A (en)
CN (1) CN109072383B (en)
WO (1) WO2017183720A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6813128B1 (en) * 2019-11-13 2021-01-13 日本製鉄株式会社 Steel
CN114729414B (en) * 2019-11-13 2024-03-29 日本制铁株式会社 Steel material
JP6743996B1 (en) * 2019-11-13 2020-08-19 日本製鉄株式会社 Steel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01191765A (en) * 1988-01-26 1989-08-01 Nippon Steel Corp High-tensile steel for low temperature use excellent in toughness in weld zone and containing dispersed fine-grained titanium oxide and sulfide
JPH0543977A (en) * 1991-08-14 1993-02-23 Nippon Steel Corp Production of low temperature high toughness steel for welding
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
JP2008163455A (en) * 2006-12-04 2008-07-17 Nippon Steel Corp Weld steel pipe with excellent low-temperature toughness for high-strength thick-walled line pipe and process for producing the same
EP2400041A1 (en) * 2009-05-21 2011-12-28 Nippon Steel Corporation Steel material for welding and method for producing same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06136439A (en) * 1992-10-22 1994-05-17 Kobe Steel Ltd Production of steel sheet for welding structure excellent in toughness in welded joint
JP4969275B2 (en) * 2007-03-12 2012-07-04 株式会社神戸製鋼所 High tensile steel plate with excellent toughness of weld heat affected zone
CN101578380B (en) * 2007-12-06 2011-01-12 新日本制铁株式会社 Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate
WO2014199488A1 (en) * 2013-06-13 2014-12-18 新日鐵住金株式会社 Ultrahigh-tensile-strength steel plate for welding
CN104451389A (en) * 2014-11-13 2015-03-25 南京钢铁股份有限公司 High-heat input welding tolerating E36-grade steel plate with thickness of 100nm for ocean engineering

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01191765A (en) * 1988-01-26 1989-08-01 Nippon Steel Corp High-tensile steel for low temperature use excellent in toughness in weld zone and containing dispersed fine-grained titanium oxide and sulfide
JPH0543977A (en) * 1991-08-14 1993-02-23 Nippon Steel Corp Production of low temperature high toughness steel for welding
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
JP2008163455A (en) * 2006-12-04 2008-07-17 Nippon Steel Corp Weld steel pipe with excellent low-temperature toughness for high-strength thick-walled line pipe and process for producing the same
EP2400041A1 (en) * 2009-05-21 2011-12-28 Nippon Steel Corporation Steel material for welding and method for producing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017183720A1 *

Also Published As

Publication number Publication date
CN109072383B (en) 2021-02-09
CN109072383A (en) 2018-12-21
WO2017183720A1 (en) 2017-10-26
EP3447162B1 (en) 2020-12-30
EP3447162A1 (en) 2019-02-27
KR20180132909A (en) 2018-12-12

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