EP3418415A4 - Steel sheet and production method therefor - Google Patents

Steel sheet and production method therefor Download PDF

Info

Publication number
EP3418415A4
EP3418415A4 EP17752977.3A EP17752977A EP3418415A4 EP 3418415 A4 EP3418415 A4 EP 3418415A4 EP 17752977 A EP17752977 A EP 17752977A EP 3418415 A4 EP3418415 A4 EP 3418415A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
production method
method therefor
therefor
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.)
Withdrawn
Application number
EP17752977.3A
Other languages
German (de)
French (fr)
Other versions
EP3418415A1 (en
Inventor
Masahiro INOMOTO
Hidenori Nako
Yoshitomi Okazaki
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/JP2017/003701 external-priority patent/WO2017141714A1/en
Publication of EP3418415A1 publication Critical patent/EP3418415A1/en
Publication of EP3418415A4 publication Critical patent/EP3418415A4/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Withdrawn legal-status Critical Current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
    • C22C38/40—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
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D9/46—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
    • C22C38/02—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
    • C22C38/06—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

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)
EP17752977.3A 2016-02-15 2017-02-02 Steel sheet and production method therefor Withdrawn EP3418415A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016026380 2016-02-15
JP2016132915 2016-07-04
JP2016213579A JP2018009239A (en) 2016-02-15 2016-10-31 Steel sheet and production method therefor
PCT/JP2017/003701 WO2017141714A1 (en) 2016-02-15 2017-02-02 Steel sheet and production method therefor

Publications (2)

Publication Number Publication Date
EP3418415A1 EP3418415A1 (en) 2018-12-26
EP3418415A4 true EP3418415A4 (en) 2019-07-24

Family

ID=60995101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17752977.3A Withdrawn EP3418415A4 (en) 2016-02-15 2017-02-02 Steel sheet and production method therefor

Country Status (4)

Country Link
EP (1) EP3418415A4 (en)
JP (1) JP2018009239A (en)
KR (1) KR20180100422A (en)
CN (1) CN108603268A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011219797A (en) * 2010-04-07 2011-11-04 Kobe Steel Ltd Thick steel plate excellent in toughness of weld heat-affected zone
JP5320274B2 (en) * 2009-12-07 2013-10-23 株式会社神戸製鋼所 Thick steel plate with excellent toughness and strength uniformity in the heat affected zone
JP2014214371A (en) * 2013-04-30 2014-11-17 株式会社神戸製鋼所 Steel sheet excellent in sour resistance and haz toughness
EP2889391A1 (en) * 2012-08-23 2015-07-01 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Thick steel plate having good ultralow-temperature toughness

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098340A (en) 1999-09-29 2001-04-10 Nippon Steel Corp Steel for welding structure excellent in heat-affected zone
JP4821051B2 (en) 2001-04-19 2011-11-24 Ｊｆｅスチール株式会社 High tensile strength steel for low temperature welded structure with excellent weld heat affected zone toughness
CN100447278C (en) * 2005-01-11 2008-12-31 宝山钢铁股份有限公司 Thick steel plate capable of being welded under large heat input and method for manufacturing the same
JP5207914B2 (en) 2008-10-20 2013-06-12 株式会社神戸製鋼所 Thick steel plate with excellent toughness of base metal and weld heat affected zone
JP5340839B2 (en) 2009-07-17 2013-11-13 株式会社神戸製鋼所 Steel sheet with excellent toughness of weld heat affected zone
JP5394785B2 (en) 2009-03-24 2014-01-22 株式会社神戸製鋼所 Thick steel plate with excellent weld heat affected zone toughness and low temperature base metal toughness
JP5966907B2 (en) 2011-12-19 2016-08-10 Ｊｆｅスチール株式会社 Steel material for large heat input welding
JP5820341B2 (en) * 2012-06-19 2015-11-24 株式会社神戸製鋼所 Steel with excellent toughness in weld heat affected zone
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5320274B2 (en) * 2009-12-07 2013-10-23 株式会社神戸製鋼所 Thick steel plate with excellent toughness and strength uniformity in the 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
EP2889391A1 (en) * 2012-08-23 2015-07-01 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Thick steel plate having good ultralow-temperature toughness
JP2014214371A (en) * 2013-04-30 2014-11-17 株式会社神戸製鋼所 Steel sheet excellent in sour resistance and haz toughness

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017141714A1 *

Also Published As

Publication number Publication date
CN108603268A (en) 2018-09-28
KR20180100422A (en) 2018-09-10
EP3418415A1 (en) 2018-12-26
JP2018009239A (en) 2018-01-18

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