EP4159887A4 - SUPER-STRENGTH TWO-PHASE ELECTRO-GALVANIZED STEEL RESISTANT TO DELAYED CRACKING AND METHOD FOR MANUFACTURING SAME - Google Patents

SUPER-STRENGTH TWO-PHASE ELECTRO-GALVANIZED STEEL RESISTANT TO DELAYED CRACKING AND METHOD FOR MANUFACTURING SAME Download PDF

Info

Publication number
EP4159887A4
EP4159887A4 EP21813639.8A EP21813639A EP4159887A4 EP 4159887 A4 EP4159887 A4 EP 4159887A4 EP 21813639 A EP21813639 A EP 21813639A EP 4159887 A4 EP4159887 A4 EP 4159887A4
Authority
EP
European Patent Office
Prior art keywords
galvanized
electro
super
manufacturing
method therefor
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.)
Pending
Application number
EP21813639.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4159887A9 (en
EP4159887A1 (en
Inventor
Wei Li
Xiaodong Zhu
Peng XUE
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.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel 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 Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP4159887A1 publication Critical patent/EP4159887A1/en
Publication of EP4159887A9 publication Critical patent/EP4159887A9/en
Publication of EP4159887A4 publication Critical patent/EP4159887A4/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • C21D8/0278Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • 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
    • C21D1/26Methods of annealing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16Controlling or regulating processes or operations
    • 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
    • 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
    • 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
    • C21D8/021Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • 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
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236Cold rolling
    • 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
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0242Flattening; Dressing; Flexing
    • 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
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263Modifying 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
    • 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
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273Final recrystallisation annealing
    • 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
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/22Electroplating: Baths therefor from solutions of zinc
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/004Dispersions; Precipitations
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Continuous Casting (AREA)
EP21813639.8A 2020-05-27 2021-05-25 SUPER-STRENGTH TWO-PHASE ELECTRO-GALVANIZED STEEL RESISTANT TO DELAYED CRACKING AND METHOD FOR MANUFACTURING SAME Pending EP4159887A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010459228.2A CN113737108A (zh) 2020-05-27 2020-05-27 一种耐延迟开裂的电镀锌超强双相钢及其制造方法
PCT/CN2021/095802 WO2021238915A1 (zh) 2020-05-27 2021-05-25 一种耐延迟开裂的电镀锌超强双相钢及其制造方法

Publications (3)

Publication Number Publication Date
EP4159887A1 EP4159887A1 (en) 2023-04-05
EP4159887A9 EP4159887A9 (en) 2023-06-21
EP4159887A4 true EP4159887A4 (en) 2023-11-01

Family

ID=78722980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21813639.8A Pending EP4159887A4 (en) 2020-05-27 2021-05-25 SUPER-STRENGTH TWO-PHASE ELECTRO-GALVANIZED STEEL RESISTANT TO DELAYED CRACKING AND METHOD FOR MANUFACTURING SAME

Country Status (6)

Country Link
US (1) US20230243008A1 (ja)
EP (1) EP4159887A4 (ja)
JP (1) JP2023527197A (ja)
CN (1) CN113737108A (ja)
CA (1) CA3180458A1 (ja)
WO (1) WO2021238915A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115125439B (zh) * 2022-06-16 2023-10-31 唐山钢铁集团高强汽车板有限公司 一种锌基镀层1800Mpa级热冲压成型钢及制备方法
CN117286396A (zh) * 2022-06-17 2023-12-26 宝山钢铁股份有限公司 一种耐氢致开裂冷轧热镀锌超高强双相钢及其制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130186529A1 (en) * 2011-05-26 2013-07-25 Nippon Steel and Sumitomo Metal Corporation Steel part for machine structural use and manufacturing method thereof
US20190085427A1 (en) * 2016-03-31 2019-03-21 Jfe Steel Corporation Steel sheet and plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full-hard steel sheet, method for producing heat-treated sheet, method for producing steel sheet, and method for producing plated steel sheet
US20190211413A1 (en) * 2016-09-30 2019-07-11 Jfe Steel Corporation High-strength coated steel sheet and method for manufacturing the same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002044434A1 (fr) 2000-11-28 2002-06-06 Kawasaki Steel Corporation Tole d'acier laminee a froid presentant une resistance elevee a la traction du type structure composite
JP4510488B2 (ja) * 2004-03-11 2010-07-21 新日本製鐵株式会社 成形性および穴拡げ性に優れた溶融亜鉛めっき複合高強度鋼板およびその製造方法
JP4998708B2 (ja) * 2007-02-26 2012-08-15 Jfeスチール株式会社 材質異方性が小さく、耐疲労亀裂伝播特性に優れた鋼材およびその製造方法
JP5668337B2 (ja) * 2010-06-30 2015-02-12 Jfeスチール株式会社 延性及び耐遅れ破壊特性に優れる超高強度冷延鋼板およびその製造方法
JP6533528B2 (ja) * 2014-04-15 2019-06-19 ティッセンクルップ スチール ヨーロッパ アクチェンゲゼルシャフトThyssenKrupp Steel Europe AG 高降伏強度を備えた冷間圧延平鋼製品の製造方法及び冷延平鋼製品
MX2016016129A (es) * 2014-06-06 2017-03-28 Arcelormittal Hoja de acero galvanizada multifasica de alta resistencia, metodo de produccion y uso.
EP3214199B1 (en) 2014-10-30 2019-06-12 JFE Steel Corporation High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength hot-dip aluminum-coated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing same
JP5958666B1 (ja) * 2014-12-22 2016-08-02 Jfeスチール株式会社 高強度溶融亜鉛めっき鋼板およびその製造方法
CN106282790B (zh) 2016-08-17 2018-04-03 马钢(集团)控股有限公司 一种电镀锌用超深冲冷轧钢板及其生产方法
CN108396220A (zh) * 2017-02-05 2018-08-14 鞍钢股份有限公司 一种高强高韧性镀锌钢板及其制造方法
CN108977726B (zh) * 2017-05-31 2020-07-28 宝山钢铁股份有限公司 一种抗延迟开裂的马氏体超高强度冷轧钢带及其制造方法
CN109207867A (zh) * 2017-06-29 2019-01-15 宝山钢铁股份有限公司 一种冷轧退火双相钢、钢板及其制造方法
CN107761006B (zh) * 2017-10-23 2019-12-03 攀钢集团攀枝花钢铁研究院有限公司 低碳热镀锌超高强双相钢及其制备方法
CN108374118A (zh) * 2018-03-15 2018-08-07 鞍钢蒂森克虏伯汽车钢有限公司 一种具有易于成型特性的热镀锌双相钢板及其制造方法
CN108441763B (zh) * 2018-03-23 2019-11-19 马钢(集团)控股有限公司 一种抗拉强度1000MPa级冷轧热浸镀锌高强钢及其制备方法
CN110331341B (zh) * 2019-08-21 2021-05-11 攀钢集团攀枝花钢铁研究院有限公司 高成型性能高强度热镀锌双相钢及其生产方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130186529A1 (en) * 2011-05-26 2013-07-25 Nippon Steel and Sumitomo Metal Corporation Steel part for machine structural use and manufacturing method thereof
US20190085427A1 (en) * 2016-03-31 2019-03-21 Jfe Steel Corporation Steel sheet and plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full-hard steel sheet, method for producing heat-treated sheet, method for producing steel sheet, and method for producing plated steel sheet
US20190211413A1 (en) * 2016-09-30 2019-07-11 Jfe Steel Corporation High-strength coated steel sheet and method for manufacturing the same

Also Published As

Publication number Publication date
WO2021238915A1 (zh) 2021-12-02
JP2023527197A (ja) 2023-06-27
CA3180458A1 (en) 2021-12-02
US20230243008A1 (en) 2023-08-03
EP4159887A9 (en) 2023-06-21
EP4159887A1 (en) 2023-04-05
CN113737108A (zh) 2021-12-03

Similar Documents

Publication Publication Date Title
EP4159887A4 (en) SUPER-STRENGTH TWO-PHASE ELECTRO-GALVANIZED STEEL RESISTANT TO DELAYED CRACKING AND METHOD FOR MANUFACTURING SAME
EP2402470A4 (en) High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor
EP3922739A4 (en) HOT-DIP GALVANIZED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
EP3913106A4 (en) PROCESS FOR MANUFACTURING HOT-DIP GALVANIZED STEEL SHEET
EP3922745A4 (en) HOT-DIP GALVANIZED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
EP2500445A4 (en) High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet
EP3950974A4 (en) STEEL SHEET, METHOD OF PRODUCTION AND CLAD STEEL SHEET
EP3922740A4 (en) HOT-DIP GALVANIZED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
EP3971308A4 (en) HIGH STRENGTH ELEMENT, METHOD OF PRODUCTION OF HIGH STRENGTH ELEMENT AND METHOD OF PRODUCTION OF STEEL SHEET FOR HIGH STRENGTH ELEMENT
EP3828298A4 (en) HIGH STRENGTH AND HIGH PERFORMANCE ELECTROZINGOATED STEEL SHEET, AND METHOD OF MANUFACTURING THE SAME
EP3901293A4 (en) HIGH STRENGTH HOT DIP GALVANIZED STEEL SHEET, AND METHOD FOR MANUFACTURING THE SAME
EP3848477A4 (en) HIGH CARBON COLD ROLLED STEEL SHEET AND METHOD FOR PRODUCTION THEREOF, AND HIGH CARBON STEEL MECHANICAL PARTS
EP4067524A4 (en) STEEL SHEET, ELEMENT AND METHOD OF MAKING THE SAME
EP4067513A4 (en) HIGH STRENGTH GALVANIZED STEEL SHEET AND PRODUCTION METHOD THEREOF
EP3904552A4 (en) HIGH STRENGTH HOT DIP-DIP GALVANIZED STEEL SHEET, AND METHOD OF MANUFACTURING THE SAME
EP4095280A4 (en) ELECTRO-WELDED STEEL PIPE AND METHOD OF MANUFACTURING IT
EP4242357A4 (en) FE-ELECTROPLATED STEEL SHEET, ELECTROPLATED STEEL SHEET, AUTOMOTIVE COMPONENT, METHOD FOR PRODUCING AN ELECTROPLATED STEEL SHEET AND METHOD FOR PRODUCING AN FE-ELECTROPLATED STEEL SHEET
EP3922744A4 (en) HOT DIP ZINC COATED STEEL SHEET AND METHOD OF MAKING IT
EP4067523A4 (en) STEEL PLATE, ELEMENT AND METHOD OF MAKING SUCH STEEL PLATE AND THIS ELEMENT
EP3907304A4 (en) HIGH STRENGTH HOT GALVANIZED STEEL SHEET AND METHOD OF PRODUCTION THEREOF
EP3896186A4 (en) HIGH STRENGTH HOT-GALVANIZED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
EP3919653A4 (en) ALUMINUM-BASED METAL-RESIN COMPOSITE STRUCTURE, ALUMINUM-BASED METAL COMPONENT, METHOD OF MANUFACTURING ALUMINUM-BASED METAL COMPONENT, AND METHOD OF MANUFACTURING ALUMINUM-BASED METAL-RESIN COMPOSITE STRUCTURE
EP4137602A4 (en) GALVANIZED STEEL SHEET, ELEMENT AND METHOD OF PRODUCTION THEREOF
EP4242359A4 (en) GALVANIZED STEEL SHEET, GALVANIZED STEEL SHEET, AUTOMOTIVE PART, METHOD FOR PRODUCING A GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING A GALVANIZED STEEL SHEET
EP4242336A4 (en) STEEL SHEET, ELEMENT, AND METHODS OF MANUFACTURING SAME

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20221222

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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: C22C0038380000

Ipc: C21D0001180000

A4 Supplementary search report drawn up and despatched

Effective date: 20230928

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/38 20060101ALI20230922BHEP

Ipc: C22C 38/32 20060101ALI20230922BHEP

Ipc: C22C 38/26 20060101ALI20230922BHEP

Ipc: C22C 38/24 20060101ALI20230922BHEP

Ipc: C22C 38/22 20060101ALI20230922BHEP

Ipc: C22C 38/04 20060101ALI20230922BHEP

Ipc: C22C 38/06 20060101ALI20230922BHEP

Ipc: C22C 38/02 20060101ALI20230922BHEP

Ipc: C21D 9/46 20060101ALI20230922BHEP

Ipc: C21D 8/02 20060101ALI20230922BHEP

Ipc: C21D 1/26 20060101ALI20230922BHEP

Ipc: C21D 1/18 20060101AFI20230922BHEP