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
Authority: EP; European Patent Office
Prior art keywords: manufacturing; steel sheet; rolled steel; surface quality; method therefor
Prior art date: 2016-12-14
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

2016-12-14

Filing date

2017-12-08

Publication date

2019-12-25

2017-12-08 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2019-10-23 Publication of EP3556895A1 publication Critical patent/EP3556895A1/en

2019-12-25 Publication of EP3556895A4 publication Critical patent/EP3556895A4/en

Status Withdrawn legal-status Critical Current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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys 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

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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 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 (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20230090530A1 (en) *	2020-02-18	2023-03-23	Posco	High-carbon steel sheet having good surface quality and manufacturing method therefor
JP7532824B2 (en) *	2020-03-16	2024-08-14	株式会社プロテリアル	Steel for hot working dies, hot working dies and manufacturing method thereof
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
CN115228942A (en) *	2022-07-15	2022-10-25	武汉钢铁有限公司	A method, recording medium and system for shape control of hot-rolled sheet

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 (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH08337843A (en) *	1995-06-09	1996-12-24	Kobe Steel Ltd	High carbon hot rolled steel sheet excellent in punching workability and its production
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 metal composite material and member made of metal 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
JP2015137422A (en) *	2014-01-24	2015-07-30	Ｊｆｅスチール株式会社	Hot-rolled steel sheet and manufacturing method thereof
JP6578728B2 (en) *	2015-04-28	2019-09-25	日本製鉄株式会社	High strength hot-rolled steel sheet and manufacturing method thereof

2016
- 2016-12-14 KR KR1020160170370A patent/KR101830551B1/en active Active
2017
- 2017-12-08 CN CN201780075815.8A patent/CN110050085A/en not_active Withdrawn
- 2017-12-08 JP JP2019531414A patent/JP2020509173A/en active Pending
- 2017-12-08 EP EP17880634.5A patent/EP3556895A4/en not_active Withdrawn
- 2017-12-08 US US16/468,114 patent/US20200071800A1/en not_active Abandoned
- 2017-12-08 WO PCT/KR2017/014362 patent/WO2018110906A1/en not_active Ceased

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
CN110050085A (en)	2019-07-23
JP2020509173A (en)	2020-03-26
US20200071800A1 (en)	2020-03-05
EP3556895A1 (en)	2019-10-23
WO2018110906A1 (en)	2018-06-21

Legal Events

Date	Code	Title	Description
2019-09-20	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
2019-10-23	17P	Request for examination filed	Effective date: 20190628
2019-10-23	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
2019-10-23	AX	Request for extension of the european patent	Extension state: BA ME
2019-12-25	A4	Supplementary search report drawn up and despatched	Effective date: 20191121
2019-12-25	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
2020-03-25	DAV	Request for validation of the european patent (deleted)
2020-03-25	DAX	Request for extension of the european patent (deleted)
2020-06-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2020-07-08	18W	Application withdrawn	Effective date: 20200603

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