EP3239328A4 - Steel sheet for low-temperature service having excellent surface processing quality and method for manufacturing same - Google Patents

Steel sheet for low-temperature service having excellent surface processing quality and method for manufacturing same Download PDF

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Publication number
EP3239328A4
EP3239328A4 EP15873529.0A EP15873529A EP3239328A4 EP 3239328 A4 EP3239328 A4 EP 3239328A4 EP 15873529 A EP15873529 A EP 15873529A EP 3239328 A4 EP3239328 A4 EP 3239328A4
Authority
EP
European Patent Office
Prior art keywords
low
steel sheet
surface processing
excellent surface
processing quality
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
EP15873529.0A
Other languages
German (de)
French (fr)
Other versions
EP3239328B1 (en
EP3239328A1 (en
Inventor
Soon-Gi Lee
In-Shik Suh
Yong-Jin Kim
Sang-Deok Kang
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 EP3239328A1 publication Critical patent/EP3239328A1/en
Publication of EP3239328A4 publication Critical patent/EP3239328A4/en
Application granted granted Critical
Publication of EP3239328B1 publication Critical patent/EP3239328B1/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
    • C22C38/04—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
    • 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
    • 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
    • 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
    • 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
    • C22C38/18—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
    • C22C38/28—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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C21D2211/001—Austenite
    • 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

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)
  • Heat Treatment Of Sheet Steel (AREA)
EP15873529.0A 2014-12-24 2015-12-11 Steel sheet for low-temperature service having excellent surface processing quality and method for manufacturing same Active EP3239328B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140189137A KR101665821B1 (en) 2014-12-24 2014-12-24 Low temperature steels having superior surface quality and method for production thereof
PCT/KR2015/013554 WO2016105002A1 (en) 2014-12-24 2015-12-11 Low-temperature steel sheet with excellent surface processing quality and method for manufacturing same

Publications (3)

Publication Number Publication Date
EP3239328A1 EP3239328A1 (en) 2017-11-01
EP3239328A4 true EP3239328A4 (en) 2017-12-13
EP3239328B1 EP3239328B1 (en) 2021-11-17

Family

ID=56150966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15873529.0A Active EP3239328B1 (en) 2014-12-24 2015-12-11 Steel sheet for low-temperature service having excellent surface processing quality and method for manufacturing same

Country Status (7)

Country Link
US (1) US20170362675A1 (en)
EP (1) EP3239328B1 (en)
JP (2) JP6810691B2 (en)
KR (1) KR101665821B1 (en)
CN (1) CN107109602B (en)
CA (1) CA2970151C (en)
WO (1) WO2016105002A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101940874B1 (en) * 2016-12-22 2019-01-21 주식회사 포스코 High manganese steel with superior low temperature toughness and yield strength and method for manufacturing the same
KR102331032B1 (en) * 2017-04-26 2021-11-24 제이에프이 스틸 가부시키가이샤 High Mn steel and manufacturing method thereof
CN107190201B (en) * 2017-07-17 2019-03-26 武汉钢铁有限公司 LPG ship steel and manufacturing method
EP3679594A4 (en) 2017-09-07 2021-06-02 Monash University Capacitive energy storage device and method of producing the same
KR102109270B1 (en) * 2017-10-18 2020-05-12 주식회사 포스코 Low temperature high manganese steel plate with excellent surface property and method for manufacturing the same
KR102031455B1 (en) * 2017-12-26 2019-10-11 주식회사 포스코 Hot-rolled steel sheet having excellent low temperature toughness, steel pipe using the steel sheet and method for manufacturing thereof
US11326237B2 (en) 2018-03-29 2022-05-10 Nippon Steel Corporation Austenitic wear-resistant steel plate
KR102255827B1 (en) * 2018-10-25 2021-05-26 주식회사 포스코 Low-temperature austenitic high manganese steel having excellent surface quality and manufacturing method for the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04141557A (en) * 1990-09-28 1992-05-15 Nippon Steel Corp High-mn nonmagnetic steel for steel bridge of linear motor car
WO1995026423A1 (en) * 1994-03-25 1995-10-05 Pohang Iron & Steel Co., Ltd. High manganese steel having superior hot workability, and process for manufacturing high manganese hot rolled steel sheet without any crack
WO2014104706A1 (en) * 2012-12-26 2014-07-03 주식회사 포스코 High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor
EP2799571A1 (en) * 2011-12-27 2014-11-05 Posco Austenitic steel having superior machinability and cryogenic temperature toughness in weld heat affected zones thereof and method for manufacturing same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920004941B1 (en) 1989-12-28 1992-06-22 포항종합제철 주식회사 Making process for high mn-steel
JPH09195007A (en) * 1996-01-19 1997-07-29 Kawasaki Steel Corp Chromium-manganese-nitrogen base austenitic stainless steel excellent in corrosion resistance
JP4141557B2 (en) * 1998-12-18 2008-08-27 松下電器産業株式会社 Electronic component mounting apparatus and mounting method
CN1236092C (en) * 2001-11-16 2006-01-11 Posco公司 Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same
JP4529872B2 (en) 2005-11-04 2010-08-25 住友金属工業株式会社 High Mn steel material and manufacturing method thereof
KR20120097160A (en) * 2011-02-24 2012-09-03 현대제철 주식회사 High strength steel plate and method of manufacturing the same
KR101353843B1 (en) * 2011-12-27 2014-01-20 주식회사 포스코 Austenitic steel with excellent cryogenic toughness in heat affected zone
KR101461736B1 (en) * 2012-12-21 2014-11-14 주식회사 포스코 Austenitic steel having excellent machinability and superior cryogenic toughness in weld heat-affected zone and manufacturing method thereof
WO2013100613A1 (en) * 2011-12-28 2013-07-04 주식회사 포스코 Wear resistant austenitic steel having superior machinability and ductility method for producing same
KR101412259B1 (en) * 2012-03-29 2014-07-02 현대제철 주식회사 Steel sheet and method of manufacturing the same
KR101412327B1 (en) * 2012-06-28 2014-06-25 현대제철 주식회사 Hot-rolled steel sheet and method of manufacturing the hot-rolled steel sheet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04141557A (en) * 1990-09-28 1992-05-15 Nippon Steel Corp High-mn nonmagnetic steel for steel bridge of linear motor car
WO1995026423A1 (en) * 1994-03-25 1995-10-05 Pohang Iron & Steel Co., Ltd. High manganese steel having superior hot workability, and process for manufacturing high manganese hot rolled steel sheet without any crack
EP2799571A1 (en) * 2011-12-27 2014-11-05 Posco Austenitic steel having superior machinability and cryogenic temperature toughness in weld heat affected zones thereof and method for manufacturing same
WO2014104706A1 (en) * 2012-12-26 2014-07-03 주식회사 포스코 High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor
EP2940173A1 (en) * 2012-12-26 2015-11-04 Posco High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016105002A1 *

Also Published As

Publication number Publication date
JP2020002465A (en) 2020-01-09
US20170362675A1 (en) 2017-12-21
JP6764510B2 (en) 2020-09-30
CN107109602A (en) 2017-08-29
EP3239328B1 (en) 2021-11-17
KR101665821B1 (en) 2016-10-13
EP3239328A1 (en) 2017-11-01
JP6810691B2 (en) 2021-01-06
WO2016105002A8 (en) 2016-12-15
KR20160078853A (en) 2016-07-05
CN107109602B (en) 2022-02-25
CA2970151C (en) 2021-01-19
CA2970151A1 (en) 2016-06-30
WO2016105002A1 (en) 2016-06-30
JP2018503742A (en) 2018-02-08

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