EP3395964A4 - Method and device for manufacturing martensite-containing steel sheet - Google Patents

Method and device for manufacturing martensite-containing steel sheet Download PDF

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Publication number
EP3395964A4
EP3395964A4 EP16879266.1A EP16879266A EP3395964A4 EP 3395964 A4 EP3395964 A4 EP 3395964A4 EP 16879266 A EP16879266 A EP 16879266A EP 3395964 A4 EP3395964 A4 EP 3395964A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
containing steel
martensite
manufacturing
manufacturing martensite
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Withdrawn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
EP16879266.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3395964A1 (en
Inventor
In-Suk Han
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 EP3395964A1 publication Critical patent/EP3395964A1/en
Publication of EP3395964A4 publication Critical patent/EP3395964A4/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Withdrawn legal-status Critical Current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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • C21D9/0043—Muffle furnaces; Retort furnaces
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/68—Furnace coilers; Hot coilers
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • C21D2211/008—Martensite

Landscapes

  • 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 Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
EP16879266.1A 2015-12-21 2016-12-16 Method and device for manufacturing martensite-containing steel sheet Withdrawn EP3395964A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150183266A KR20170089045A (ko) 2015-12-21 2015-12-21 마르텐사이트 함유 강판의 제조방법 및 장치
PCT/KR2016/014817 WO2017111399A1 (ko) 2015-12-21 2016-12-16 마르텐사이트 함유 강판의 제조방법 및 장치

Publications (2)

Publication Number Publication Date
EP3395964A1 EP3395964A1 (en) 2018-10-31
EP3395964A4 true EP3395964A4 (en) 2018-12-26

Family

ID=59090814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16879266.1A Withdrawn EP3395964A4 (en) 2015-12-21 2016-12-16 Method and device for manufacturing martensite-containing steel sheet

Country Status (5)

Country Link
EP (1) EP3395964A4 (zh)
JP (1) JP2019505667A (zh)
KR (1) KR20170089045A (zh)
CN (1) CN108431249A (zh)
WO (1) WO2017111399A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112022018285A2 (pt) * 2020-04-03 2022-10-25 Novelis Inc Desenrolamento a quente de metal
CN113528932A (zh) * 2021-05-31 2021-10-22 唐山钢铁集团高强汽车板有限公司 一种马氏体钢板及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415382A (en) * 1981-10-13 1983-11-15 Inland Steel Company Continuous annealing apparatus and method
US20020104597A1 (en) * 1999-07-09 2002-08-08 Ipsco Enterprises Inc. Method and apparatus for producing steel
US20100237548A1 (en) * 2009-03-23 2010-09-23 Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.) Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment
EP2792756A1 (en) * 2011-12-15 2014-10-22 Posco Method and apparatus for controlling the strip temperature of the rapid cooling section of a continuous annealing line
US20150010779A1 (en) * 2011-12-22 2015-01-08 Thyssenkrupp Rasselstein Gmbh Method for producing packaging steel
JP2015188897A (ja) * 2014-03-27 2015-11-02 Ｊｆｅスチール株式会社 鋼板の冷却方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5944367B2 (ja) * 1978-06-15 1984-10-29 日本鋼管株式会社 水焼入連続焼鈍法
JPS6184321A (ja) * 1984-09-29 1986-04-28 Trinity Ind Corp 焼入装置
US5832985A (en) * 1994-10-20 1998-11-10 Mannesmann Aktiengesellschaft Process and device for producing a steel strip with the properties of a cold-rolled product
JPH11193418A (ja) * 1997-12-29 1999-07-21 Kobe Steel Ltd 平坦性に優れた高強度冷延鋼板の製造方法
JP2002275545A (ja) * 2001-03-15 2002-09-25 Kawasaki Steel Corp 連続焼鈍設備
KR20030054974A (ko) * 2001-12-26 2003-07-02 주식회사 포스코 열연코일 냉각방법
JP2003277833A (ja) * 2002-03-22 2003-10-02 Jfe Steel Kk 金属板の製造方法および製造装置
KR101451814B1 (ko) * 2012-12-20 2014-10-16 주식회사 포스코 강판 열처리용 급냉 장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415382A (en) * 1981-10-13 1983-11-15 Inland Steel Company Continuous annealing apparatus and method
US20020104597A1 (en) * 1999-07-09 2002-08-08 Ipsco Enterprises Inc. Method and apparatus for producing steel
US20100237548A1 (en) * 2009-03-23 2010-09-23 Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.) Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment
EP2792756A1 (en) * 2011-12-15 2014-10-22 Posco Method and apparatus for controlling the strip temperature of the rapid cooling section of a continuous annealing line
US20150010779A1 (en) * 2011-12-22 2015-01-08 Thyssenkrupp Rasselstein Gmbh Method for producing packaging steel
JP2015188897A (ja) * 2014-03-27 2015-11-02 Ｊｆｅスチール株式会社 鋼板の冷却方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017111399A1 *

Also Published As

Publication number Publication date
EP3395964A1 (en) 2018-10-31
WO2017111399A1 (ko) 2017-06-29
JP2019505667A (ja) 2019-02-28
KR20170089045A (ko) 2017-08-03
CN108431249A (zh) 2018-08-21

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