EP3556895A4 - High-carbon hot-rolled steel sheet having excellent surface quality and manufacturing method therefor - Google Patents

High-carbon hot-rolled steel sheet having excellent surface quality and manufacturing method therefor Download PDF

Info

Publication number
EP3556895A4
EP3556895A4 EP17880634.5A EP17880634A EP3556895A4 EP 3556895 A4 EP3556895 A4 EP 3556895A4 EP 17880634 A EP17880634 A EP 17880634A EP 3556895 A4 EP3556895 A4 EP 3556895A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
steel sheet
rolled steel
surface quality
method therefor
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Withdrawn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
EP17880634.5A
Other languages
German (de)
French (fr)
Other versions
EP3556895A1 (en
Inventor
Deuk-Jung KIM
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 EP3556895A1 publication Critical patent/EP3556895A1/en
Publication of EP3556895A4 publication Critical patent/EP3556895A4/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Withdrawn legal-status Critical Current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
    • C22C38/04—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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP17880634.5A 2016-12-14 2017-12-08 High-carbon hot-rolled steel sheet having excellent surface quality and manufacturing method therefor Withdrawn EP3556895A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160170370A KR101830551B1 (en) 2016-12-14 2016-12-14 High-carbon hot-rolled steel sheet having excellent surface quality and method for manufacturing same
PCT/KR2017/014362 WO2018110906A1 (en) 2016-12-14 2017-12-08 High-carbon hot-rolled steel sheet having excellent surface quality and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP3556895A1 EP3556895A1 (en) 2019-10-23
EP3556895A4 true EP3556895A4 (en) 2019-12-25

Family

ID=61394694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17880634.5A Withdrawn EP3556895A4 (en) 2016-12-14 2017-12-08 High-carbon hot-rolled steel sheet having excellent surface quality and manufacturing method therefor

Country Status (6)

Country Link
US (1) US20200071800A1 (en)
EP (1) EP3556895A4 (en)
JP (1) JP2020509173A (en)
KR (1) KR101830551B1 (en)
CN (1) CN110050085A (en)
WO (1) WO2018110906A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4108798A4 (en) * 2020-02-18 2023-07-26 Posco High-carbon steel sheet having good surface quality and manufacturing method therefor
CN112126850B (en) * 2020-08-24 2022-02-22 上海衍衡新材料科技有限公司 Corrosion-resistant card clothing steel and preparation method thereof
JP7334700B2 (en) * 2020-09-28 2023-08-29 Ｊｆｅスチール株式会社 Thick steel plate and its manufacturing method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02194145A (en) * 1989-01-20 1990-07-31 Sumitomo Metal Ind Ltd High carbon steel sheet
JPH0344422A (en) * 1989-07-10 1991-02-26 Sumitomo Metal Ind Ltd Manufacture of high carbon thin steel sheet
JPH08260098A (en) * 1995-03-20 1996-10-08 Nisshin Steel Co Ltd Steel sheet for heat treatment high in adhesion of oxidized scale
JP2009197256A (en) * 2008-02-19 2009-09-03 Nisshin Steel Co Ltd Method for producing high carbon steel sheet
KR20120133895A (en) * 2011-06-01 2012-12-11 주식회사 포스코 Hot rolled steel sheet and methdo for manufacturing the same
WO2016152870A1 (en) * 2015-03-23 2016-09-29 新日鐵住金株式会社 Hot-rolled steel sheet and manufacturing method of same, and manufacturing method of cold-rolled steel sheet

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5050433B2 (en) * 2005-10-05 2012-10-17 Ｊｆｅスチール株式会社 Method for producing extremely soft high carbon hot-rolled steel sheet
JP2008260023A (en) * 2007-04-10 2008-10-30 Mitsui Mining & Smelting Co Ltd Method for producing metallic composite material, and member composed of the metallic composite material
JP4903839B2 (en) 2009-07-02 2012-03-28 新日本製鐵株式会社 Soft high carbon steel plate excellent in punchability and manufacturing method thereof
JP5064525B2 (en) 2010-02-18 2012-10-31 新日本製鐵株式会社 High carbon steel sheet with low anisotropy and excellent hardenability and method for producing the same
KR101281794B1 (en) * 2011-03-28 2013-07-05 한국기계연구원 Fabrication method of aluminum matrix composites and aluminum matrix composite by the same
JP5812048B2 (en) 2013-07-09 2015-11-11 Ｊｆｅスチール株式会社 High carbon hot rolled steel sheet excellent in hardenability and workability and method for producing the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02194145A (en) * 1989-01-20 1990-07-31 Sumitomo Metal Ind Ltd High carbon steel sheet
JPH0344422A (en) * 1989-07-10 1991-02-26 Sumitomo Metal Ind Ltd Manufacture of high carbon thin steel sheet
JPH08260098A (en) * 1995-03-20 1996-10-08 Nisshin Steel Co Ltd Steel sheet for heat treatment high in adhesion of oxidized scale
JP2009197256A (en) * 2008-02-19 2009-09-03 Nisshin Steel Co Ltd Method for producing high carbon steel sheet
KR20120133895A (en) * 2011-06-01 2012-12-11 주식회사 포스코 Hot rolled steel sheet and methdo for manufacturing the same
WO2016152870A1 (en) * 2015-03-23 2016-09-29 新日鐵住金株式会社 Hot-rolled steel sheet and manufacturing method of same, and manufacturing method of cold-rolled steel sheet
EP3276030A1 (en) * 2015-03-23 2018-01-31 Nippon Steel & Sumitomo Metal Corporation Hot-rolled steel sheet and manufacturing method of same, and manufacturing method of cold-rolled steel sheet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018110906A1 *

Also Published As

Publication number Publication date
KR101830551B1 (en) 2018-02-20
US20200071800A1 (en) 2020-03-05
JP2020509173A (en) 2020-03-26
WO2018110906A1 (en) 2018-06-21
EP3556895A1 (en) 2019-10-23
CN110050085A (en) 2019-07-23

Similar Documents

Publication Publication Date Title
EP3650569A4 (en) Hot-rolled steel sheet and method for manufacturing same
EP3770292A4 (en) High-strength cold-rolled steel sheet and manufacturing method therefor
EP3276022A4 (en) Cold-rolled steel sheet and manufacturing method therefor
EP3476963A4 (en) High strength cold-rolled steel sheet and method for manufacturing same
EP3584337A4 (en) High strength hot-rolled steel sheet and method for producing same
EP3444372A4 (en) High strength steel sheet and manufacturing method therefor
EP3263733A4 (en) Cold-rolled steel sheet and method for manufacturing same
EP3284841A4 (en) Hot-rolled steel sheet and method for manufacturing same
EP3438309A4 (en) High-strength steel sheet and method for manufacturing same
EP3415656A4 (en) High-strength steel sheet and method for manufacturing same
EP3875623A4 (en) High-strength steel sheet and manufacturing method therefor
EP3279353A4 (en) Hot-rolled steel sheet and method for producing same
EP3406748A4 (en) High-strength steel sheet and manufacturing method therefor
EP3584340A4 (en) Steel sheet and manufacturing method therefor
EP3216889A4 (en) High-carbon cold-rolled steel sheet and method for manufacturing same
EP3276030A4 (en) Hot-rolled steel sheet and manufacturing method of same, and manufacturing method of cold-rolled steel sheet
EP3868903A4 (en) Hot-rolled steel sheet and method for manufacturing same
EP3831972A4 (en) High-strength hot-rolled steel sheet and method for manufacturing same
EP3415655A4 (en) High-strength steel sheet and method for manufacturing same
EP3530770A4 (en) Hot-rolled steel sheet for manufacturing electrical steel, and method for manufacturing same
EP3412786A4 (en) High strength steel sheet and manufacturing method therefor
EP3715494A4 (en) Hot-rolled steel sheet and method for producing same
EP3705593A4 (en) Hot-rolled steel sheet and manufacturing method therefor
EP3650571A4 (en) Advanced-high strength hot-rolled steel sheet having reduced material deviation and enhanced surface quality and method for manufacturing same
EP3611292A4 (en) Sn-PLATED STEEL SHEET AND METHOD FOR MANUFACTURING Sn-PLATED STEEL SHEET

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20190628

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20191121

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/60 20060101AFI20191115BHEP

Ipc: C21D 9/46 20060101ALI20191115BHEP

Ipc: C22C 38/44 20060101ALI20191115BHEP

Ipc: C22C 38/46 20060101ALI20191115BHEP

Ipc: C21D 8/02 20060101ALI20191115BHEP

Ipc: C22C 38/42 20060101ALI20191115BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20200603