EP3231523A4 - Heat treatment method for ahss hot rolled coils, and cold rolling method using same and heat treatment apparatus - Google Patents

Heat treatment method for ahss hot rolled coils, and cold rolling method using same and heat treatment apparatus Download PDF

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Publication number
EP3231523A4
EP3231523A4 EP15867452.3A EP15867452A EP3231523A4 EP 3231523 A4 EP3231523 A4 EP 3231523A4 EP 15867452 A EP15867452 A EP 15867452A EP 3231523 A4 EP3231523 A4 EP 3231523A4
Authority
EP
European Patent Office
Prior art keywords
heat treatment
same
cold rolling
hot rolled
rolled coils
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Withdrawn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
EP15867452.3A
Other languages
German (de)
French (fr)
Other versions
EP3231523A1 (en
Inventor
Chang Kyu Jung
Hyeong Jeon Kim
Ji Won Yu
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
Priority claimed from KR1020140175568A external-priority patent/KR101591792B1/en
Priority claimed from KR1020140177699A external-priority patent/KR101612760B1/en
Priority claimed from KR1020150080524A external-priority patent/KR101662559B1/en
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3231523A1 publication Critical patent/EP3231523A1/en
Publication of EP3231523A4 publication Critical patent/EP3231523A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74Temperature control, e.g. by cooling or heating the rolls or the product
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/25Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/26Special arrangements with regard to simultaneous or subsequent treatment of the material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/767Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D11/00Process control or regulation for heat treatments
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006Details, accessories not peculiar to any of the following furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0056Furnaces through which the charge is moved in a horizontal straight path
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/56Continuous furnaces for strip or wire
    • C21D9/562Details
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2221/00Treating localised areas of an article
    • C21D2221/02Edge parts
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2221/00Treating localised areas of an article
    • C21D2221/10Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Metal Rolling (AREA)
EP15867452.3A 2014-12-09 2015-10-30 Heat treatment method for ahss hot rolled coils, and cold rolling method using same and heat treatment apparatus Withdrawn EP3231523A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020140175568A KR101591792B1 (en) 2014-12-09 2014-12-09 Heat treating method for advanced high strength steel hot coil and cold rolling method using the same
KR1020140177699A KR101612760B1 (en) 2014-12-10 2014-12-10 Heat treating apparatus for hot coil
KR1020150080524A KR101662559B1 (en) 2015-06-08 2015-06-08 Coil heating equipment
PCT/KR2015/011554 WO2016093493A1 (en) 2014-12-09 2015-10-30 Heat treatment method for ahss hot rolled coils, and cold rolling method using same and heat treatment apparatus

Publications (2)

Publication Number Publication Date
EP3231523A1 EP3231523A1 (en) 2017-10-18
EP3231523A4 true EP3231523A4 (en) 2018-05-09

Family

ID=56107637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15867452.3A Withdrawn EP3231523A4 (en) 2014-12-09 2015-10-30 Heat treatment method for ahss hot rolled coils, and cold rolling method using same and heat treatment apparatus

Country Status (4)

Country Link
EP (1) EP3231523A4 (en)
JP (1) JP6229066B2 (en)
CN (1) CN105934288B (en)
WO (1) WO2016093493A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6884589B2 (en) * 2016-02-16 2021-06-09 株式会社神戸製鋼所 Cold rolling method
DE102021208782A1 (en) 2021-08-11 2023-02-16 Sms Group Gmbh Process and device for the production of a high-strength and ultra-high-strength multi-phase steel
CN115386719B (en) * 2022-10-27 2022-12-30 河北亿泰克轴承有限公司 Bearing ring heat treatment device and control system thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076425A (en) * 1980-05-21 1981-12-02 British Steel Corp Dual-phase steel sheet
US5820703A (en) * 1994-06-16 1998-10-13 Nippon Steel Corporation Production method of steel pipe excellent in corrosion resistance and weldability
EP1905851A1 (en) * 2005-06-29 2008-04-02 JFE Steel Corporation High-carbon hot-rolled steel sheet and process for producing the same
US20100175452A1 (en) * 2007-06-22 2010-07-15 Joachim Ohlert Method for hot rolling and for heat treatment of a steel strip

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6328829A (en) * 1986-07-21 1988-02-06 Nippon Steel Corp Manufacture of sheet metal for cr stainless steel
JPH051330A (en) * 1991-06-24 1993-01-08 Daido Steel Co Ltd Heat treatment furnace for coil
KR100516517B1 (en) * 2001-12-24 2005-09-26 주식회사 포스코 A method for manufacturing a high carbon wire having homogeneous tensile strength
KR100617257B1 (en) * 2005-10-20 2006-08-29 주식회사 포스코 Apparatus for maintaining heating pattern of bar coils in the holding furnace
KR100854318B1 (en) * 2007-12-26 2008-08-26 한일종합기계 주식회사 A support device of air cooling type coil
KR100966982B1 (en) * 2008-03-07 2010-06-30 주식회사 포스코 Method for Cooling a Hot-Rolled Steel Sheet Coil
KR101033956B1 (en) * 2009-10-12 2011-05-11 김정환 The apparatus of manufacture aluminum plate with solution heat treatment and tempering of elevator
KR101259243B1 (en) * 2010-09-10 2013-04-29 주식회사 포스코 Apparatus for Cooling Wire-rod Coil
KR101485657B1 (en) * 2013-03-14 2015-01-23 주식회사 포스코 Apparatus for annealing coils

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076425A (en) * 1980-05-21 1981-12-02 British Steel Corp Dual-phase steel sheet
US5820703A (en) * 1994-06-16 1998-10-13 Nippon Steel Corporation Production method of steel pipe excellent in corrosion resistance and weldability
EP1905851A1 (en) * 2005-06-29 2008-04-02 JFE Steel Corporation High-carbon hot-rolled steel sheet and process for producing the same
US20100175452A1 (en) * 2007-06-22 2010-07-15 Joachim Ohlert Method for hot rolling and for heat treatment of a steel strip

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016093493A1 *

Also Published As

Publication number Publication date
JP6229066B2 (en) 2017-11-08
WO2016093493A1 (en) 2016-06-16
JP2017512651A (en) 2017-05-25
EP3231523A1 (en) 2017-10-18
CN105934288B (en) 2019-12-24
CN105934288A (en) 2016-09-07

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