EP3299486A4 - Thick steel sheet and welded joint - Google Patents

Thick steel sheet and welded joint Download PDF

Info

Publication number
EP3299486A4
EP3299486A4 EP16799856.6A EP16799856A EP3299486A4 EP 3299486 A4 EP3299486 A4 EP 3299486A4 EP 16799856 A EP16799856 A EP 16799856A EP 3299486 A4 EP3299486 A4 EP 3299486A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
welded joint
thick steel
thick
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Withdrawn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
EP16799856.6A
Other languages
German (de)
French (fr)
Other versions
EP3299486A1 (en
Inventor
Makoto Kawamori
Fumio Yuse
Hidenori Nako
Yoshitomi Okazaki
Akira Ibano
Junichiro Kinugasa
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
Priority claimed from PCT/JP2016/064444 external-priority patent/WO2016190150A1/en
Publication of EP3299486A1 publication Critical patent/EP3299486A1/en
Publication of EP3299486A4 publication Critical patent/EP3299486A4/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Withdrawn legal-status Critical Current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
    • C22C38/18—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
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • 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
    • C22C38/18—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
    • C22C38/28—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
    • C22C38/48—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
    • C22C38/58—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
    • 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
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP16799856.6A 2015-05-22 2016-05-16 Thick steel sheet and welded joint Withdrawn EP3299486A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015104617 2015-05-22
JP2016064064A JP2016216819A (en) 2015-05-22 2016-03-28 Thick steel plate and welded joint
PCT/JP2016/064444 WO2016190150A1 (en) 2015-05-22 2016-05-16 Thick steel sheet and welded joint

Publications (2)

Publication Number Publication Date
EP3299486A1 EP3299486A1 (en) 2018-03-28
EP3299486A4 true EP3299486A4 (en) 2018-12-05

Family

ID=57580099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16799856.6A Withdrawn EP3299486A4 (en) 2015-05-22 2016-05-16 Thick steel sheet and welded joint

Country Status (4)

Country Link
EP (1) EP3299486A4 (en)
JP (1) JP2016216819A (en)
KR (1) KR20170138505A (en)
CN (1) CN107614724A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7066997B2 (en) * 2017-08-16 2022-05-16 日本製鉄株式会社 Steel material
JP7027858B2 (en) * 2017-12-11 2022-03-02 日本製鉄株式会社 Manufacturing method of carbon steel slabs and carbon steel slabs
CN115679199A (en) * 2021-07-30 2023-02-03 宝山钢铁股份有限公司 Steel for continuous speed pipe column, hot-rolled steel strip, steel pipe and manufacturing method thereof
CN114182168B (en) * 2021-11-19 2023-04-11 南京钢铁股份有限公司 Ultrahigh-strength wide and thick steel plate containing rare earth and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007100213A (en) * 2005-09-12 2007-04-19 Kobe Steel Ltd Steel having excellent toughness in weld heat-affected zone and manufacturing method therefor
KR20100107412A (en) * 2009-03-25 2010-10-05 가부시키가이샤 고베 세이코쇼 Steel having excellent toughness in welding heat affected zone
JP2014185364A (en) * 2013-03-22 2014-10-02 Kobe Steel Ltd Steel material excellent in toughness of welded heat affected zone
EP3208359A1 (en) * 2014-10-17 2017-08-23 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Thick steel plate for tank giving weld heat affected zone with excellent toughness

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07278660A (en) * 1994-04-13 1995-10-24 Nippon Steel Corp Manufacture of steel plate for line pipe excellent in low temperature toughness and co2 corrosion resistance
JP4790423B2 (en) * 2006-01-17 2011-10-12 新日本製鐵株式会社 Welded structural steel excellent in seawater corrosion resistance and ship ballast tank anticorrosion method using the same
JP2011021248A (en) * 2009-07-16 2011-02-03 Jfe Steel Corp Steel for ship having excellent coating corrosion resistance
JP5444093B2 (en) * 2010-04-07 2014-03-19 株式会社神戸製鋼所 Thick steel plate with excellent toughness in weld heat affected zone
JP2012092404A (en) * 2010-10-28 2012-05-17 Jfe Steel Corp Steel for ship having excellent coating corrosion resistance
JP5824434B2 (en) * 2011-11-14 2015-11-25 株式会社神戸製鋼所 Thick steel plate with excellent toughness in weld heat affected zone
JP6047970B2 (en) * 2012-07-17 2016-12-21 株式会社Ihi Stress corrosion cracking test apparatus and stress corrosion cracking test method
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007100213A (en) * 2005-09-12 2007-04-19 Kobe Steel Ltd Steel having excellent toughness in weld heat-affected zone and manufacturing method therefor
KR20100107412A (en) * 2009-03-25 2010-10-05 가부시키가이샤 고베 세이코쇼 Steel having excellent toughness in welding heat affected zone
JP2014185364A (en) * 2013-03-22 2014-10-02 Kobe Steel Ltd Steel material excellent in toughness of welded heat affected zone
EP3208359A1 (en) * 2014-10-17 2017-08-23 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Thick steel plate for tank giving weld heat affected zone with excellent toughness

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
N.N.: "Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications", AMERICAN NATIONAL STANDARD, 1 January 2013 (2013-01-01), West Conshohocken, PA, XP055297340, Retrieved from the Internet <URL:http://www.galvanizeit.com/uploads/ASTM-E-29-yr-13.pdf> [retrieved on 20160824], DOI: 10.1520/E0029-13 *
See also references of WO2016190150A1 *

Also Published As

Publication number Publication date
JP2016216819A (en) 2016-12-22
EP3299486A1 (en) 2018-03-28
CN107614724A (en) 2018-01-19
KR20170138505A (en) 2017-12-15

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