WO2009145562A3 - Tôle d'acier à haute résistance et excellente ductilité présentant un bord sans crique, tôle d'acier galvanisé à chaud et procédé de production correspondant - Google Patents

Tôle d'acier à haute résistance et excellente ductilité présentant un bord sans crique, tôle d'acier galvanisé à chaud et procédé de production correspondant Download PDF

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Publication number
WO2009145562A3
WO2009145562A3 PCT/KR2009/002810 KR2009002810W WO2009145562A3 WO 2009145562 A3 WO2009145562 A3 WO 2009145562A3 KR 2009002810 W KR2009002810 W KR 2009002810W WO 2009145562 A3 WO2009145562 A3 WO 2009145562A3
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WO
WIPO (PCT)
Prior art keywords
steel sheet
crackless
hot
manufacturing
edge portion
Prior art date
Application number
PCT/KR2009/002810
Other languages
English (en)
Korean (ko)
Other versions
WO2009145562A2 (fr
Inventor
김성일
진영훈
곽재현
진광근
Original Assignee
주식회사 포스코
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 주식회사 포스코 filed Critical 주식회사 포스코
Priority to JP2011510432A priority Critical patent/JP5456026B2/ja
Priority to US12/991,003 priority patent/US20110064968A1/en
Publication of WO2009145562A2 publication Critical patent/WO2009145562A2/fr
Publication of WO2009145562A3 publication Critical patent/WO2009145562A3/fr

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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
    • 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
    • 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
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold 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
    • 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
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436—Cold 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0463—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing 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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/008—Martensite
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • Y10T428/12799—Next to Fe-base component [e.g., galvanized]

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  • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)

Abstract

La présente invention concerne une tôle d'acier présentant une résistance à la traction de 780 à 980 MPa et un allongement supérieur ou égal à 28%, possédant un bord sans crique. La présente invention concerne une tôle d'acier à haute résistance contenant, en % en poids, C: 0,1 à 0,25%, Si: 1,0 à 1,9%, Mn: 1,5 à 2.5%, Al: 0,5 à 1.6%, Ti: 0,005 à 0,03%, B: 5 à 30 ppm, et Sb: 0,01 à 0,03%, le reste étant constitué de Fe et d'impuretés inévitables, 1,75≤Si+Al≤3,25. L'invention concerne également une tôle d'acier galvanisé à chaud et son procédé de production.
PCT/KR2009/002810 2008-05-29 2009-05-27 Tôle d'acier à haute résistance et excellente ductilité présentant un bord sans crique, tôle d'acier galvanisé à chaud et procédé de production correspondant WO2009145562A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011510432A JP5456026B2 (ja) 2008-05-29 2009-05-27 延性に優れ、エッジ部に亀裂のない高強度鋼板、溶融亜鉛メッキ鋼板及びその製造方法
US12/991,003 US20110064968A1 (en) 2008-05-29 2009-05-27 High-Strength Steel Sheet with Excellent Ductility and Crackless Edge Portion, Hot-Dip Galvanized Steel Sheet, and Manufacturing Method Thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0050366 2008-05-29
KR1020080050366A KR101008099B1 (ko) 2008-05-29 2008-05-29 연성이 우수하고 에지부 균열이 없는 고강도 강판,용융아연도금강판 및 그 제조방법

Publications (2)

Publication Number Publication Date
WO2009145562A2 WO2009145562A2 (fr) 2009-12-03
WO2009145562A3 true WO2009145562A3 (fr) 2010-01-21

Family

ID=41377784

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/002810 WO2009145562A2 (fr) 2008-05-29 2009-05-27 Tôle d'acier à haute résistance et excellente ductilité présentant un bord sans crique, tôle d'acier galvanisé à chaud et procédé de production correspondant

Country Status (4)

Country Link
US (1) US20110064968A1 (fr)
JP (1) JP5456026B2 (fr)
KR (1) KR101008099B1 (fr)
WO (1) WO2009145562A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101290426B1 (ko) * 2011-06-28 2013-07-26 현대제철 주식회사 고강도 열연강판 및 그 제조 방법
KR101359281B1 (ko) * 2011-12-20 2014-02-06 주식회사 포스코 점용접성, 강도 및 연신율이 우수한 자동차용 강판 및 그 제조방법
JP6056745B2 (ja) * 2013-12-12 2017-01-11 Ｊｆｅスチール株式会社 化成処理性に優れた高加工性高強度冷延鋼板およびその製造方法
KR101657784B1 (ko) * 2014-11-28 2016-09-20 주식회사 포스코 열간압연시 크랙 발생이 저감된 고연성 고강도 냉연강판 및 이의 제조방법
KR101630976B1 (ko) * 2014-12-08 2016-06-16 주식회사 포스코 표면품질 및 도금 밀착성이 우수한 초고강도 용융아연도금강판 및 그 제조방법
KR102046544B1 (ko) * 2015-04-15 2019-11-19 닛폰세이테츠 가부시키가이샤 열연강판 및 그 제조 방법
AU2020335005A1 (en) * 2019-08-19 2022-03-03 United States Steel Corporation High strength steel products and annealing processes for making the same

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KR20020045212A (ko) * 2000-12-08 2002-06-19 이구택 연성이 우수한 열연 변태유기소성강판 및 그 제조방법
JP2002294397A (ja) * 2001-03-30 2002-10-09 Nippon Steel Corp めっき密着性およびプレス成形性に優れた高強度溶融亜鉛系めっき鋼板およびその製造方法
JP2005336526A (ja) * 2004-05-25 2005-12-08 Kobe Steel Ltd 加工性に優れた高強度鋼板及びその製造方法
KR100711468B1 (ko) * 2005-12-23 2007-04-24 주식회사 포스코 성형성과 도금특성이 우수한 고강도 냉연강판 및용융아연도금강판, 그리고 이들의 제조방법
KR20080038753A (ko) * 2006-10-31 2008-05-07 현대자동차주식회사 성형성이 우수한 고장력 강판 및 그 제조 방법

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AU2002217542B2 (en) * 2000-12-29 2006-09-21 Nippon Steel Corporation High-strength molten-zinc-plated steel plate excellent in deposit adhesion and suitability for press forming and process for producing the same
JP4188608B2 (ja) * 2001-02-28 2008-11-26 株式会社神戸製鋼所 加工性に優れた高強度鋼板およびその製造方法
CA2387322C (fr) * 2001-06-06 2008-09-30 Kawasaki Steel Corporation Tole d'acier a ductilite elevee possedant des proprietes superieures de formabilite sous pressage et de vieillissement par ecrouissage, et methode de fabrication dudit produit
US6733874B2 (en) * 2001-08-31 2004-05-11 Mitsubishi Materials Corporation Surface-coated carbide alloy cutting tool
JP4640130B2 (ja) * 2005-11-21 2011-03-02 Ｊｆｅスチール株式会社 機械特性ばらつきの小さい高強度冷延鋼板およびその製造方法
CN104264075B (zh) * 2005-12-09 2018-01-30 Posco公司 具有优异成形性和涂覆特性的高强度冷轧钢板，由其制成的锌基金属镀钢板及制造方法

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Publication number Priority date Publication date Assignee Title
KR20020045212A (ko) * 2000-12-08 2002-06-19 이구택 연성이 우수한 열연 변태유기소성강판 및 그 제조방법
JP2002294397A (ja) * 2001-03-30 2002-10-09 Nippon Steel Corp めっき密着性およびプレス成形性に優れた高強度溶融亜鉛系めっき鋼板およびその製造方法
JP2005336526A (ja) * 2004-05-25 2005-12-08 Kobe Steel Ltd 加工性に優れた高強度鋼板及びその製造方法
KR100711468B1 (ko) * 2005-12-23 2007-04-24 주식회사 포스코 성형성과 도금특성이 우수한 고강도 냉연강판 및용융아연도금강판, 그리고 이들의 제조방법
KR20080038753A (ko) * 2006-10-31 2008-05-07 현대자동차주식회사 성형성이 우수한 고장력 강판 및 그 제조 방법

Also Published As

Publication number Publication date
KR101008099B1 (ko) 2011-01-13
KR20090124264A (ko) 2009-12-03
US20110064968A1 (en) 2011-03-17
WO2009145562A2 (fr) 2009-12-03
JP2011523443A (ja) 2011-08-11
JP5456026B2 (ja) 2014-03-26

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