EP3392367A4 - High-strength steel material having excellent low-temperature strain aging impact properties and method for manufacturing same - Google Patents

High-strength steel material having excellent low-temperature strain aging impact properties and method for manufacturing same Download PDF

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Publication number
EP3392367A4
EP3392367A4 EP16876051.0A EP16876051A EP3392367A4 EP 3392367 A4 EP3392367 A4 EP 3392367A4 EP 16876051 A EP16876051 A EP 16876051A EP 3392367 A4 EP3392367 A4 EP 3392367A4
Authority
EP
European Patent Office
Prior art keywords
steel material
strength steel
excellent low
manufacturing same
impact properties
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
EP16876051.0A
Other languages
German (de)
French (fr)
Other versions
EP3392367B1 (en
EP3392367A1 (en
Inventor
Kyung-Keun Um
Woo-Gyeom KIM
Hong-Ju Lee
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.)
Posco Holdings Inc
Original Assignee
Posco Co 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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3392367A1 publication Critical patent/EP3392367A1/en
Publication of EP3392367A4 publication Critical patent/EP3392367A4/en
Application granted granted Critical
Publication of EP3392367B1 publication Critical patent/EP3392367B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous 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
    • 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
    • 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
    • C22C38/02—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
    • C22C38/40—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
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
EP16876051.0A 2015-12-15 2016-12-15 High-strength steel material having excellent low-temperature strain aging impact properties and method for manufacturing same Active EP3392367B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150178977A KR101758483B1 (en) 2015-12-15 2015-12-15 High strength steel sheet having excellent strain aging impact property and method for manufacturing the same
PCT/KR2016/014734 WO2017105109A1 (en) 2015-12-15 2016-12-15 High-strength steel material having excellent low-temperature strain aging impact properties and method for manufacturing same

Publications (3)

Publication Number Publication Date
EP3392367A1 EP3392367A1 (en) 2018-10-24
EP3392367A4 true EP3392367A4 (en) 2019-02-27
EP3392367B1 EP3392367B1 (en) 2021-10-27

Family

ID=59057097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16876051.0A Active EP3392367B1 (en) 2015-12-15 2016-12-15 High-strength steel material having excellent low-temperature strain aging impact properties and method for manufacturing same

Country Status (6)

Country Link
US (2) US20180363111A1 (en)
EP (1) EP3392367B1 (en)
JP (1) JP6616002B2 (en)
KR (1) KR101758483B1 (en)
CN (1) CN108368593B (en)
WO (1) WO2017105109A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101758484B1 (en) 2015-12-15 2017-07-17 주식회사 포스코 High strength steel sheet having excellent strain aging impact property and impact property in heat-affected zone and method for manufacturing the same
WO2019037749A1 (en) * 2017-08-23 2019-02-28 宝山钢铁股份有限公司 Steel for use in low-temperature pressurized vessel and manufacturing method therefor
KR102020434B1 (en) * 2017-12-01 2019-09-10 주식회사 포스코 Steel material having exellent hydrogen induced crack resistance and low temperature impact toughness and method of manufacturing the same
KR102218423B1 (en) * 2019-08-23 2021-02-19 주식회사 포스코 Thin steel plate having excellent low-temperature toughness and ctod properties, and method for manufacturing thereof
JP7262617B2 (en) * 2020-06-19 2023-04-21 ヒュンダイ スチール カンパニー Reinforcing bar and its manufacturing method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110060449A (en) * 2009-11-30 2011-06-08 주식회사 포스코 Pressure vessel steel plate with excellent low temperature toughness and hydrogen induced cracking resistance and manufacturing method thereof
JP2012241266A (en) * 2011-05-24 2012-12-10 Jfe Steel Corp Steel pipe for sour resistant line pipe having high compressive strength and method for producing the same
KR20130076569A (en) * 2011-12-28 2013-07-08 주식회사 포스코 Pressure vessel steel with excellent sulfide stress cracking resistance and low temperature toughness and manufacturing method thereof
JP2014043627A (en) * 2012-08-28 2014-03-13 Nippon Steel & Sumitomo Metal Polyolefin-coated uoe steel pipe and production method thereof
EP2764946A1 (en) * 2011-10-03 2014-08-13 JFE Steel Corporation Welded steel pipe with excellent welding heat-affected zone toughness, and process for producing same
EP2832889A1 (en) * 2012-03-29 2015-02-04 JFE Steel Corporation Low yield ratio high-strength steel plate having superior strain aging resistance, production method therefor, and high-strength welded steel pipe using same
WO2015151468A1 (en) * 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 Steel material for highly-deformable line pipes having superior strain aging characteristics and anti-hic characteristics, method for manufacturing same, and welded steel pipe
KR20150124810A (en) * 2014-04-29 2015-11-06 현대제철 주식회사 High strength steel sheet and method of manufacturing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04193907A (en) * 1990-11-27 1992-07-14 Kobe Steel Ltd Production of 50kgf/mm2 class refractory steel plate for construction use
JP5141073B2 (en) * 2007-03-30 2013-02-13 Ｊｆｅスチール株式会社 X70 grade or less low yield ratio high strength high toughness steel pipe and method for producing the same
KR101253890B1 (en) * 2010-12-28 2013-04-16 주식회사 포스코 Ultra thick steel sheet for pressure vessel having excellent central properties and hydrogen induced cracking resistance, and method for manufacturing the same
KR101455458B1 (en) * 2012-08-30 2014-10-28 현대제철 주식회사 Steel plate and method for manufacturing of the same
KR101758484B1 (en) * 2015-12-15 2017-07-17 주식회사 포스코 High strength steel sheet having excellent strain aging impact property and impact property in heat-affected zone and method for manufacturing the same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110060449A (en) * 2009-11-30 2011-06-08 주식회사 포스코 Pressure vessel steel plate with excellent low temperature toughness and hydrogen induced cracking resistance and manufacturing method thereof
JP2012241266A (en) * 2011-05-24 2012-12-10 Jfe Steel Corp Steel pipe for sour resistant line pipe having high compressive strength and method for producing the same
EP2764946A1 (en) * 2011-10-03 2014-08-13 JFE Steel Corporation Welded steel pipe with excellent welding heat-affected zone toughness, and process for producing same
KR20130076569A (en) * 2011-12-28 2013-07-08 주식회사 포스코 Pressure vessel steel with excellent sulfide stress cracking resistance and low temperature toughness and manufacturing method thereof
EP2832889A1 (en) * 2012-03-29 2015-02-04 JFE Steel Corporation Low yield ratio high-strength steel plate having superior strain aging resistance, production method therefor, and high-strength welded steel pipe using same
JP2014043627A (en) * 2012-08-28 2014-03-13 Nippon Steel & Sumitomo Metal Polyolefin-coated uoe steel pipe and production method thereof
WO2015151468A1 (en) * 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 Steel material for highly-deformable line pipes having superior strain aging characteristics and anti-hic characteristics, method for manufacturing same, and welded steel pipe
KR20150124810A (en) * 2014-04-29 2015-11-06 현대제철 주식회사 High strength steel sheet and method of manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017105109A1 *

Also Published As

Publication number Publication date
JP6616002B2 (en) 2019-12-04
KR20170071639A (en) 2017-06-26
CN108368593A (en) 2018-08-03
US20240110267A1 (en) 2024-04-04
EP3392367B1 (en) 2021-10-27
WO2017105109A1 (en) 2017-06-22
EP3392367A1 (en) 2018-10-24
US20180363111A1 (en) 2018-12-20
CN108368593B (en) 2020-10-02
KR101758483B1 (en) 2017-07-17
JP2019504187A (en) 2019-02-14

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