EP3296416A4 - Tôle d'acier, laminée à chaud, de résistance ultra-élevée, présentant une excellente aptitude au façonnage par pliage et son procédé de fabrication - Google Patents

Tôle d'acier, laminée à chaud, de résistance ultra-élevée, présentant une excellente aptitude au façonnage par pliage et son procédé de fabrication Download PDF

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Publication number
EP3296416A4
EP3296416A4 EP15891914.2A EP15891914A EP3296416A4 EP 3296416 A4 EP3296416 A4 EP 3296416A4 EP 15891914 A EP15891914 A EP 15891914A EP 3296416 A4 EP3296416 A4 EP 3296416A4
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EP
European Patent Office
Prior art keywords
ultra
steel sheet
high strength
rolled steel
manufacturing same
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Withdrawn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
EP15891914.2A
Other languages
German (de)
English (en)
Other versions
EP3296416A1 (fr
Inventor
Yong-Woo Kim
Seok-Jong SEO
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 EP3296416A4 publication Critical patent/EP3296416A4/fr
Publication of EP3296416A1 publication Critical patent/EP3296416A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • 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
    • C21D8/0278—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 involving a particular surface treatment 
    • C21D8/0284—Application of a separating or insulating coating
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/04—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • C23C2/0224—Two or more thermal pretreatments
    • 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
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • 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
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • 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
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

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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)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP15891914.2A 2015-05-12 2015-05-12 Tôle d'acier, laminée à chaud, de résistance ultra-élevée, présentant une excellente aptitude au façonnage par pliage et son procédé de fabrication Withdrawn EP3296416A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2015/004766 WO2016182098A1 (fr) 2015-05-12 2015-05-12 Tôle d'acier, laminée à chaud, de résistance ultra-élevée, présentant une excellente aptitude au façonnage par pliage et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3296416A4 true EP3296416A4 (fr) 2018-03-21
EP3296416A1 EP3296416A1 (fr) 2018-03-21

Family

ID=57249107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15891914.2A Withdrawn EP3296416A1 (fr) 2015-05-12 2015-05-12 Tôle d'acier, laminée à chaud, de résistance ultra-élevée, présentant une excellente aptitude au façonnage par pliage et son procédé de fabrication

Country Status (5)

Country Link
US (1) US20180112286A1 (fr)
EP (1) EP3296416A1 (fr)
JP (1) JP6543732B2 (fr)
CN (1) CN107532262A (fr)
WO (1) WO2016182098A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112714798A (zh) * 2018-09-18 2021-04-27 奥钢联钢铁公司 超高强度钢板的制造方法及超高强度钢板

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102209552B1 (ko) * 2018-12-19 2021-01-28 주식회사 포스코 구멍확장성이 우수한 고강도 열연강판 및 그 제조방법
KR102404770B1 (ko) * 2019-12-20 2022-06-07 주식회사 포스코 항복비가 우수한 고강도 열연강판 및 그 제조방법
EP3964592A1 (fr) * 2020-09-07 2022-03-09 ThyssenKrupp Steel Europe AG Produit en acier plat laminé à chaud et procédé de fabrication d'un produit en acier plat laminé à chaud
KR102416967B1 (ko) * 2020-12-23 2022-07-05 현대제철 주식회사 자동차 구조체용 부재
EP4379084A4 (fr) * 2021-07-30 2025-11-19 Hyundai Steel Co Feuille d'acier pour pressage à chaud et flan revêtu d'aluminium fabriqué à l'aide de ladite feuille

Citations (8)

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Publication number Priority date Publication date Assignee Title
JPH06108152A (ja) * 1992-09-30 1994-04-19 Kobe Steel Ltd 曲げ加工性に優れた高強度溶融亜鉛めっき鋼板の製造方法
JP2000199034A (ja) * 1998-12-28 2000-07-18 Kawasaki Steel Corp 加工性に優れた高張力熱延鋼板およびその製造方法
JP2003213369A (ja) * 2002-01-11 2003-07-30 Nippon Steel Corp 伸びフランジ性と耐衝突特性に優れた高強度鋼板、高強度溶融亜鉛めっき鋼板及び高強度合金化溶融亜鉛めっき鋼板とその製造方法
EP1870483A1 (fr) * 2005-03-31 2007-12-26 JFE Steel Corporation Tole d'acier laminee a chaud, procede de production de ladite tole et article moule forme a partir de tole d'acier laminee a chaud
KR20130046941A (ko) * 2011-10-28 2013-05-08 현대제철 주식회사 고강도 강판 및 그 제조 방법
JP2013112866A (ja) * 2011-11-30 2013-06-10 Jfe Steel Corp 鋼板内の材質均一性に優れた高強度高靭性厚肉鋼板及びその製造方法
US20130186526A1 (en) * 2010-03-19 2013-07-25 Jfe Steel Corporation Hot-rolled steel sheet having excellent cold formability and hardenability and method for manufacturing the same
EP2759615A1 (fr) * 2011-11-01 2014-07-30 JFE Steel Corporation Feuille d'acier laminée à chaud à haute résistance ayant d'excellentes caractéristiques de flexion et une excellente ténacité à basse température et son procédé de fabrication

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JP2003119549A (ja) * 2001-10-10 2003-04-23 Kawasaki Steel Corp 加工性に優れた高強度熱延薄鋼板およびその製造方法
EP1637618B1 (fr) * 2003-05-27 2010-07-14 Nippon Steel Corporation Procede de preparation de tole mince en acier a resistance elevee presentant une resistance excellente a la rupture differee apres formation
JP5278502B2 (ja) * 2004-03-30 2013-09-04 Ｊｆｅスチール株式会社 板厚方向の強度差が小さい疲労亀裂伝播特性に優れた鋼材の製造方法
JP4679195B2 (ja) * 2005-03-23 2011-04-27 日新製鋼株式会社 低降伏比高張力溶融亜鉛めっき鋼板の製造方法
JP4924730B2 (ja) * 2009-04-28 2012-04-25 Ｊｆｅスチール株式会社 加工性、溶接性および疲労特性に優れる高強度溶融亜鉛めっき鋼板およびその製造方法
KR101290426B1 (ko) * 2011-06-28 2013-07-26 현대제철 주식회사 고강도 열연강판 및 그 제조 방법
KR101388392B1 (ko) * 2012-06-21 2014-04-25 현대제철 주식회사 도금성 및 굽힘성이 우수한 고강도 강판 제조 방법
KR101528011B1 (ko) * 2012-12-26 2015-06-10 주식회사 포스코 열간프레스 성형용 도금강판 및 열간프레스 성형품, 그의 제조방법
JP6260087B2 (ja) * 2013-03-11 2018-01-17 新日鐵住金株式会社 加工性と疲労特性に優れた高強度熱延鋼板及びその製造方法
JP2014240510A (ja) * 2013-06-11 2014-12-25 新日鐵住金株式会社 溶融亜鉛めっき鋼板および製造方法
JP2015034334A (ja) * 2013-07-12 2015-02-19 株式会社神戸製鋼所 めっき性、加工性、および耐遅れ破壊特性に優れた高強度めっき鋼板、並びにその製造方法
KR20150049692A (ko) * 2013-10-30 2015-05-08 현대제철 주식회사 강재 제조 방법

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06108152A (ja) * 1992-09-30 1994-04-19 Kobe Steel Ltd 曲げ加工性に優れた高強度溶融亜鉛めっき鋼板の製造方法
JP2000199034A (ja) * 1998-12-28 2000-07-18 Kawasaki Steel Corp 加工性に優れた高張力熱延鋼板およびその製造方法
JP2003213369A (ja) * 2002-01-11 2003-07-30 Nippon Steel Corp 伸びフランジ性と耐衝突特性に優れた高強度鋼板、高強度溶融亜鉛めっき鋼板及び高強度合金化溶融亜鉛めっき鋼板とその製造方法
EP1870483A1 (fr) * 2005-03-31 2007-12-26 JFE Steel Corporation Tole d'acier laminee a chaud, procede de production de ladite tole et article moule forme a partir de tole d'acier laminee a chaud
US20130186526A1 (en) * 2010-03-19 2013-07-25 Jfe Steel Corporation Hot-rolled steel sheet having excellent cold formability and hardenability and method for manufacturing the same
KR20130046941A (ko) * 2011-10-28 2013-05-08 현대제철 주식회사 고강도 강판 및 그 제조 방법
EP2759615A1 (fr) * 2011-11-01 2014-07-30 JFE Steel Corporation Feuille d'acier laminée à chaud à haute résistance ayant d'excellentes caractéristiques de flexion et une excellente ténacité à basse température et son procédé de fabrication
JP2013112866A (ja) * 2011-11-30 2013-06-10 Jfe Steel Corp 鋼板内の材質均一性に優れた高強度高靭性厚肉鋼板及びその製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112714798A (zh) * 2018-09-18 2021-04-27 奥钢联钢铁公司 超高强度钢板的制造方法及超高强度钢板
CN112714798B (zh) * 2018-09-18 2023-10-20 奥钢联钢铁公司 超高强度钢板的制造方法及超高强度钢板

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US20180112286A1 (en) 2018-04-26
JP6543732B2 (ja) 2019-07-10
JP2018518596A (ja) 2018-07-12
CN107532262A (zh) 2018-01-02
WO2016182098A1 (fr) 2016-11-17

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