EP1960562A4 - HIGH-FIXED COLD FORMED STEEL PLATE WITH EXCELLENT COMPATIBILITY AND COATING PROPERTIES, BASED ON ZINC-PLATED STEEL PLATE AND METHOD OF MANUFACTURING THEREOF - Google Patents

HIGH-FIXED COLD FORMED STEEL PLATE WITH EXCELLENT COMPATIBILITY AND COATING PROPERTIES, BASED ON ZINC-PLATED STEEL PLATE AND METHOD OF MANUFACTURING THEREOF

Info

Publication number
EP1960562A4
EP1960562A4 EP20060824061 EP06824061A EP1960562A4 EP 1960562 A4 EP1960562 A4 EP 1960562A4 EP 20060824061 EP20060824061 EP 20060824061 EP 06824061 A EP06824061 A EP 06824061A EP 1960562 A4 EP1960562 A4 EP 1960562A4
Authority
EP
European Patent Office
Prior art keywords
steel plate
zinc
manufacturing
coating properties
excellent compatibility
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.)
Granted
Application number
EP20060824061
Other languages
German (de)
French (fr)
Other versions
EP1960562A1 (en
EP1960562B1 (en
Inventor
Yeon-Sang Ahn
Jin-Keun Oh
Il-Ryoung Sohn
Seong-Ju Kim
Kwang-Geun Chin
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 KR1020050120407A external-priority patent/KR100711358B1/en
Priority claimed from KR1020050128666A external-priority patent/KR100711468B1/en
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP1960562A1 publication Critical patent/EP1960562A1/en
Publication of EP1960562A4 publication Critical patent/EP1960562A4/en
Application granted granted Critical
Publication of EP1960562B1 publication Critical patent/EP1960562B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/06—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
    • C22C38/18—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
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Metal Rolling (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Coating With Molten Metal (AREA)
EP06824061.3A 2005-12-09 2006-12-08 High strenght cold rolled steel sheet having excellent formability and coating property, zinc-based metal plated steel sheet made of it and the method for manufacturing thereof Active EP1960562B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020050120407A KR100711358B1 (en) 2005-12-09 2005-12-09 High strength cold rolled steel sheet and hot dip galvanized steel sheet having excellent formability, bake hardenability and plating property, and the method for manufacturing thereof
KR1020050128666A KR100711468B1 (en) 2005-12-23 2005-12-23 High strength cold rolled steel sheet and hot dip galvanized steel sheet having excellent formability and coating property, and the method for manufacturing thereof
PCT/KR2006/005355 WO2007067014A1 (en) 2005-12-09 2006-12-08 Tole d'acier laminee a froid de haute resistance possedant une excellente propriete de formabilite et de revetement, tole d'acier plaquee de metal a base de zinc fabriquee a partir de cette tole et procece de fabrication de celle-ci

Publications (3)

Publication Number Publication Date
EP1960562A1 EP1960562A1 (en) 2008-08-27
EP1960562A4 true EP1960562A4 (en) 2012-01-25
EP1960562B1 EP1960562B1 (en) 2015-08-26

Family

ID=38123104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06824061.3A Active EP1960562B1 (en) 2005-12-09 2006-12-08 High strenght cold rolled steel sheet having excellent formability and coating property, zinc-based metal plated steel sheet made of it and the method for manufacturing thereof

Country Status (4)

Country Link
EP (1) EP1960562B1 (en)
JP (1) JP5042232B2 (en)
CN (1) CN104264075B (en)
WO (1) WO2007067014A1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100957981B1 (en) * 2007-12-20 2010-05-19 주식회사 포스코 High Strength Cold Rolled Steel Plate and Galvanized Steel Plate with Superior Workability and Method for Manufacturing Thereof
KR100928788B1 (en) * 2007-12-28 2009-11-25 주식회사 포스코 High strength steel sheet with excellent weldability and manufacturing method
KR101008117B1 (en) 2008-05-19 2011-01-13 주식회사 포스코 High strength thin steel sheet for the superier press formability and surface quality and galvanized steel sheet and method for manufacturing the same
KR101027250B1 (en) 2008-05-20 2011-04-06 주식회사 포스코 High strength steel sheet and hot dip galvanized steel sheet having high ductility and excellent delayed fracture resistance and method for manufacturing the same
KR101008099B1 (en) * 2008-05-29 2011-01-13 주식회사 포스코 High strength steel sheet amd galvenized steel sheet having excellent ducility and free edge crack and method of manufacturing the same
JP2010024525A (en) * 2008-07-23 2010-02-04 Kobe Steel Ltd Galvannealed steel sheet
JP4623233B2 (en) 2009-02-02 2011-02-02 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet and manufacturing method thereof
JP4766186B2 (en) * 2009-08-21 2011-09-07 Ｊｆｅスチール株式会社 Hot pressed member, steel plate for hot pressed member, method for manufacturing hot pressed member
MX363636B (en) * 2009-11-09 2019-03-28 Nippon Steel & Sumitomo Metal Corp High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing same.
JP5659604B2 (en) * 2010-07-30 2015-01-28 Ｊｆｅスチール株式会社 High strength steel plate and manufacturing method thereof
EP2762596A4 (en) 2011-09-28 2015-11-04 Jfe Steel Corp High strength steel plate and manufacturing method thereof
KR101382981B1 (en) * 2011-11-07 2014-04-09 주식회사 포스코 Steel sheet for warm press forming, warm press formed parts and method for manufacturing thereof
KR101353787B1 (en) * 2011-12-26 2014-01-22 주식회사 포스코 Ultra high strength colde rolled steel sheet having excellent weldability and bendability and method for manufacturing the same
JP5982906B2 (en) 2012-03-19 2016-08-31 Ｊｆｅスチール株式会社 Method for producing high-strength hot-dip galvanized steel sheet
JP5982905B2 (en) 2012-03-19 2016-08-31 Ｊｆｅスチール株式会社 Method for producing high-strength hot-dip galvanized steel sheet
MX2015011463A (en) 2013-03-04 2016-02-03 Jfe Steel Corp High-strength steel sheet, method for manufacturing same, high-strength molten-zinc-plated steel sheet, and method for manufacturing same.
JP5884196B2 (en) 2014-02-18 2016-03-15 Ｊｆｅスチール株式会社 Method for producing high-strength hot-dip galvanized steel sheet
KR101630976B1 (en) 2014-12-08 2016-06-16 주식회사 포스코 Ultra-high strenth galvanized steel sheet having excellent surface and coating adheision and method for manufacturing thereof
KR101561007B1 (en) * 2014-12-19 2015-10-16 주식회사 포스코 High strength cold rolled, hot dip galvanized steel sheet with excellent formability and less deviation of mechanical properties in steel strip, and method for production thereof
KR101561008B1 (en) 2014-12-19 2015-10-16 주식회사 포스코 Hot dip galvanized and galvannealed steel sheet having higher hole expansion ratio, and method for the same
KR101647224B1 (en) * 2014-12-23 2016-08-10 주식회사 포스코 High strength galvanized steel sheet having excellent surface qualities, plating adhesion and formability and method for manufacturing the same
CN105088103A (en) * 2015-08-25 2015-11-25 广西南宁智翠科技咨询有限公司 Cold-brittleness-resistance alloy steel and preparation method thereof
JP6202234B1 (en) * 2016-03-31 2017-09-27 Ｊｆｅスチール株式会社 Thin steel plate and plated steel plate, method for producing hot rolled steel plate, method for producing cold rolled full hard steel plate, method for producing thin steel plate, and method for producing plated steel plate
KR101808431B1 (en) * 2016-06-21 2017-12-13 현대제철 주식회사 High strength cold- rolled steel sheet having improved workablity and method of manufacturing the same
KR101899688B1 (en) * 2016-12-23 2018-09-17 주식회사 포스코 High strength hot-rolled steel sheet having excellent continuously producing property, high strength gavanized steel sheet having excellent surface property and plating adhesion and method for manufacturing thereof
WO2019122965A1 (en) * 2017-12-19 2019-06-27 Arcelormittal Cold rolled and coated steel sheet and a method of manufacturing thereof
KR102020411B1 (en) 2017-12-22 2019-09-10 주식회사 포스코 High-strength steel sheet having excellent workablity and method for manufacturing thereof
KR102020412B1 (en) 2017-12-22 2019-09-10 주식회사 포스코 High-strength steel sheet having excellent crash worthiness and formability, and method for manufacturing thereof
KR102031452B1 (en) * 2017-12-24 2019-10-11 주식회사 포스코 Cold rolled steel sheet and hot dip zinc-based plated steel sheet having excellent bake hardenability and plating adhesion, and method for manufaturing the same
KR102064962B1 (en) * 2017-12-24 2020-02-11 주식회사 포스코 Cold rolled steel sheet and hot dip zinc-based plated steel sheet having excellent bake hardenability and corrosion resistance, and method for manufacturing the same
KR102487306B1 (en) 2020-12-21 2023-01-13 현대제철 주식회사 Ultra high strength cold rolled steel sheet having excellent spot weldability and formability, ultra high strength galvanized steel sheet and method of manufacturing the same
CN113481431B (en) * 2021-06-16 2022-05-13 钢铁研究总院 440MPa grade high-nitrogen easy-welding steel and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1354970A1 (en) * 2000-12-29 2003-10-22 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
EP1568791A1 (en) * 2004-02-25 2005-08-31 JFE Steel Corporation High strength cold rolled steel sheet and method for manufacturing the same
EP1616971A1 (en) * 2003-12-05 2006-01-18 JFE Steel Corporation High strength cold rolled steel sheet and method for production thereof
WO2007024114A1 (en) * 2005-08-25 2007-03-01 Posco Steel sheet for galvanizing with excellent workability, and method for manufacturing the same
WO2007040317A1 (en) * 2005-10-06 2007-04-12 Posco The precipitation hardening cold rolled steel sheet having excellent yield ratios, and the method for manufacturing the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1257789A (en) * 1984-10-24 1989-07-25 Akira Yasuda Cold rolled steel suitable for enamel coating and method for making
JPS6376849A (en) * 1986-09-19 1988-04-07 Kawasaki Steel Corp Cold rolled steel sheet for extra deep drawing and its manufacture
JPH07100818B2 (en) * 1987-01-09 1995-11-01 新日本製鐵株式会社 Method for producing cold-rolled steel sheet excellent in normal temperature non-aging property and bake hardenability
TW203628B (en) * 1989-09-11 1993-04-11 Kawasaki Steel Co
JP3473480B2 (en) * 1999-03-18 2003-12-02 住友金属工業株式会社 Hot-dip galvanized steel sheet excellent in strength and ductility and method for producing the same
CA2368504C (en) * 2000-02-29 2007-12-18 Kawasaki Steel Corporation High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
WO2001077400A1 (en) * 2000-04-07 2001-10-18 Kawasaki Steel Corporation Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production
CN1172396C (en) * 2001-04-20 2004-10-20 北京嘉捷恒信能源技术有限责任公司 Electrolyte additive for lead-acid accumulator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1354970A1 (en) * 2000-12-29 2003-10-22 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
EP1616971A1 (en) * 2003-12-05 2006-01-18 JFE Steel Corporation High strength cold rolled steel sheet and method for production thereof
EP1568791A1 (en) * 2004-02-25 2005-08-31 JFE Steel Corporation High strength cold rolled steel sheet and method for manufacturing the same
WO2007024114A1 (en) * 2005-08-25 2007-03-01 Posco Steel sheet for galvanizing with excellent workability, and method for manufacturing the same
WO2007040317A1 (en) * 2005-10-06 2007-04-12 Posco The precipitation hardening cold rolled steel sheet having excellent yield ratios, and the method for manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007067014A1 *

Also Published As

Publication number Publication date
CN104264075B (en) 2018-01-30
EP1960562A1 (en) 2008-08-27
WO2007067014A1 (en) 2007-06-14
CN104264075A (en) 2015-01-07
JP2009518541A (en) 2009-05-07
EP1960562B1 (en) 2015-08-26
JP5042232B2 (en) 2012-10-03
WO2007067014A8 (en) 2014-03-13

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