EP3556895A4 - HIGH HOT-ROLLED CARBON STEEL STRAP PROVIDING EXCELLENT SURFACE QUALITY, AND MANUFACTURING METHOD THEREOF - Google Patents

HIGH HOT-ROLLED CARBON STEEL STRAP PROVIDING EXCELLENT SURFACE QUALITY, AND MANUFACTURING METHOD THEREOF Download PDF

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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Withdrawn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)
English (en)
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Withdrawn legal-status Critical Current

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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
    • C22C38/04—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 HOT-ROLLED CARBON STEEL STRAP PROVIDING EXCELLENT SURFACE QUALITY, AND MANUFACTURING METHOD THEREOF Withdrawn EP3556895A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160170370A KR101830551B1 (ko) 2016-12-14 2016-12-14 표면품질이 우수한 고탄소 열연강판 및 이의 제조방법
PCT/KR2017/014362 WO2018110906A1 (ko) 2016-12-14 2017-12-08 표면품질이 우수한 고탄소 열연강판 및 이의 제조방법

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 HOT-ROLLED CARBON STEEL STRAP PROVIDING EXCELLENT SURFACE QUALITY, AND MANUFACTURING METHOD THEREOF

Country Status (6)

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

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 METHOD OF MANUFACTURING THEREOF
CN112126850B (zh) * 2020-08-24 2022-02-22 上海衍衡新材料科技有限公司 一种耐蚀针布钢及制备方法
JP7334700B2 (ja) * 2020-09-28 2023-08-29 Ｊｆｅスチール株式会社 厚鋼板およびその製造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02194145A (ja) * 1989-01-20 1990-07-31 Sumitomo Metal Ind Ltd 高炭素薄鋼板
JPH0344422A (ja) * 1989-07-10 1991-02-26 Sumitomo Metal Ind Ltd 高炭素薄鋼板の製造方法
JPH08260098A (ja) * 1995-03-20 1996-10-08 Nisshin Steel Co Ltd 酸化スケール密着性が高い熱処理用鋼板
JP2009197256A (ja) * 2008-02-19 2009-09-03 Nisshin Steel Co Ltd 高炭素鋼板の製造方法
KR20120133895A (ko) * 2011-06-01 2012-12-11 주식회사 포스코 열연 강판 및 그 제조방법
WO2016152870A1 (ja) * 2015-03-23 2016-09-29 新日鐵住金株式会社 熱延鋼板及びその製造方法、並びに冷延鋼板の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5050433B2 (ja) * 2005-10-05 2012-10-17 Ｊｆｅスチール株式会社 極軟質高炭素熱延鋼板の製造方法
JP2008260023A (ja) * 2007-04-10 2008-10-30 Mitsui Mining & Smelting Co Ltd 金属複合材料の製造方法及び金属複合材料からなる部材
JP4903839B2 (ja) 2009-07-02 2012-03-28 新日本製鐵株式会社 打抜き性に優れた軟質高炭素鋼板及びその製造方法
JP5064525B2 (ja) 2010-02-18 2012-10-31 新日本製鐵株式会社 異方性が小さく焼入性に優れた高炭素鋼板及びその製造方法
KR101281794B1 (ko) * 2011-03-28 2013-07-05 한국기계연구원 알루미늄 기지 복합재료 제조방법 및 이에 의해 제조된 알루미늄 기지 복합재료
JP5812048B2 (ja) 2013-07-09 2015-11-11 Ｊｆｅスチール株式会社 焼入れ性および加工性に優れる高炭素熱延鋼板およびその製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02194145A (ja) * 1989-01-20 1990-07-31 Sumitomo Metal Ind Ltd 高炭素薄鋼板
JPH0344422A (ja) * 1989-07-10 1991-02-26 Sumitomo Metal Ind Ltd 高炭素薄鋼板の製造方法
JPH08260098A (ja) * 1995-03-20 1996-10-08 Nisshin Steel Co Ltd 酸化スケール密着性が高い熱処理用鋼板
JP2009197256A (ja) * 2008-02-19 2009-09-03 Nisshin Steel Co Ltd 高炭素鋼板の製造方法
KR20120133895A (ko) * 2011-06-01 2012-12-11 주식회사 포스코 열연 강판 및 그 제조방법
WO2016152870A1 (ja) * 2015-03-23 2016-09-29 新日鐵住金株式会社 熱延鋼板及びその製造方法、並びに冷延鋼板の製造方法
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 (ko) 2018-02-20
US20200071800A1 (en) 2020-03-05
JP2020509173A (ja) 2020-03-26
WO2018110906A1 (ko) 2018-06-21
EP3556895A1 (en) 2019-10-23
CN110050085A (zh) 2019-07-23

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