EP2824209A4 - Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article - Google Patents

Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article

Info

Publication number
EP2824209A4
EP2824209A4 EP13757984.3A EP13757984A EP2824209A4 EP 2824209 A4 EP2824209 A4 EP 2824209A4 EP 13757984 A EP13757984 A EP 13757984A EP 2824209 A4 EP2824209 A4 EP 2824209A4
Authority
EP
European Patent Office
Prior art keywords
molded article
press
steel sheet
hot pressing
producing
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Withdrawn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
EP13757984.3A
Other languages
German (de)
French (fr)
Other versions
EP2824209A1 (en
Inventor
Toshio Murakami
Junya Naitou
Keisuke Okita
Shushi Ikeda
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP2824209A1 publication Critical patent/EP2824209A1/en
Publication of EP2824209A4 publication Critical patent/EP2824209A4/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Withdrawn legal-status Critical Current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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/208—Deep-drawing by heating the blank or deep-drawing associated with heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • 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
    • C21D1/673—Quenching devices for die 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • 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
    • C22C38/002—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
    • C22C38/06—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/60—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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • 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
    • C21D2221/00—Treating localised areas of an article
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
EP13757984.3A 2012-03-09 2013-03-01 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article Withdrawn EP2824209A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012053844A JP5756773B2 (en) 2012-03-09 2012-03-09 Steel sheet for hot pressing, press-formed product, and method for producing press-formed product
PCT/JP2013/055680 WO2013133166A1 (en) 2012-03-09 2013-03-01 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article

Publications (2)

Publication Number Publication Date
EP2824209A1 EP2824209A1 (en) 2015-01-14
EP2824209A4 true EP2824209A4 (en) 2015-11-04

Family

ID=49116646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13757984.3A Withdrawn EP2824209A4 (en) 2012-03-09 2013-03-01 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article

Country Status (6)

Country Link
US (2) US20150027602A1 (en)
EP (1) EP2824209A4 (en)
JP (1) JP5756773B2 (en)
KR (1) KR101609967B1 (en)
CN (1) CN104160052B (en)
WO (1) WO2013133166A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101253838B1 (en) * 2010-12-27 2013-04-12 주식회사 포스코 Method for Manufacturing a Multi Physical Property Part
JP5890711B2 (en) * 2012-03-15 2016-03-22 株式会社神戸製鋼所 Hot press-formed product and method for producing the same
US20160222485A1 (en) * 2013-09-10 2016-08-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hot-pressing steel plate, press-molded article, and method for manufacturing press-molded article
RU2625357C1 (en) * 2013-09-10 2017-07-13 Кабусики Кайся Кобе Сейко Се (Кобе Стил, Лтд.) Hot straight thick-gauge plate formed by pumping the product and method of manufacturing formed by stamping the product
RU2648104C2 (en) 2013-09-18 2018-03-22 Ниппон Стил Энд Сумитомо Метал Корпорейшн Hot-stamp detail and method of its production
JP5852728B2 (en) 2013-12-25 2016-02-03 株式会社神戸製鋼所 Steel sheet for hot forming and manufacturing method of hot press formed steel member
JP6229736B2 (en) * 2014-01-06 2017-11-15 新日鐵住金株式会社 Hot-formed member and method for producing the same
KR101677351B1 (en) * 2014-12-26 2016-11-18 주식회사 포스코 Hot rolled steel sheet for hot press forming having low deviation of mechanical property and excellent formability and corrosion resistance, hot pressed part using the same and method for manufacturing thereof
CN107646056A (en) * 2015-05-21 2018-01-30 Ak钢铁产权公司 High manganese third generation AHSS
CN105112629A (en) * 2015-09-17 2015-12-02 重庆齿轮箱有限责任公司 Thermal treatment method for large-thickness and high-strength structural steel
KR101767773B1 (en) 2015-12-23 2017-08-14 주식회사 포스코 Utlra high strength hot-rolled steel sheet having excellent ductility and method of manufacturing the same
EP3473735B1 (en) * 2016-06-20 2024-01-10 Easyforming Steel Technology Co., Ltd. Treatment process for obtaining graded performance and member thereof
WO2018097200A1 (en) * 2016-11-25 2018-05-31 新日鐵住金株式会社 Method for manufacturing quenched molding, method for producing steel material for hot press, and steel material for hot press
EP3572543B1 (en) 2017-01-17 2021-12-22 Nippon Steel Corporation Steel sheet for hot stamping
MX2019007946A (en) 2017-01-17 2019-08-29 Nippon Steel Corp Hot stamp molded body and method for producing same.
USD905136S1 (en) 2018-03-05 2020-12-15 Bliss Industries, Llc Hammermill hammer
US10610870B2 (en) * 2017-08-21 2020-04-07 Bliss Industries, Llc Hot and cold forming hammer and method of assembly
CN109402335A (en) * 2019-01-07 2019-03-01 上海钰灏新材料科技有限公司 A kind of infiltration titanium layer mould steel and preparation method thereof
DE102019215053A1 (en) * 2019-09-30 2021-04-01 Thyssenkrupp Steel Europe Ag Method for producing an at least partially tempered sheet steel component and at least partly tempered sheet steel component
CN114309069B (en) * 2022-01-07 2023-12-01 太原科技大学 Sub-temperature forming method of medium manganese steel, medium manganese steel prepared by sub-temperature forming method and application of medium manganese steel
CN115478227B (en) * 2022-11-14 2023-06-16 育材堂（苏州）材料科技有限公司 Steel sheet for hot stamping, hot stamping member, and steel sheet manufacturing method
CN116024502A (en) * 2022-12-29 2023-04-28 中国重汽集团济南动力有限公司 High-strength high-elongation light saddle shell and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1616970A1 (en) * 2003-04-21 2006-01-18 JFE Steel Corporation High strength hot-rolled steel plate
US20090098408A1 (en) * 2007-10-10 2009-04-16 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
US20090238715A1 (en) * 2008-03-24 2009-09-24 Posco Steel sheet for hot press forming having low-temperature heat treatment property, method of manufacturing the same, method of manufacturing parts using the same, and parts manufactured by the same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07197186A (en) * 1993-12-30 1995-08-01 Kobe Steel Ltd Hot-rolled steel sheet having >=980n/mm2 strength represented by excellent delayed fracture resistant characteristic and its production
JP4288201B2 (en) * 2003-09-05 2009-07-01 新日本製鐵株式会社 Manufacturing method of automotive member having excellent hydrogen embrittlement resistance
JP4635525B2 (en) * 2003-09-26 2011-02-23 Ｊｆｅスチール株式会社 High-strength steel sheet excellent in deep drawability and manufacturing method thereof
JP2005288528A (en) * 2004-04-05 2005-10-20 Nippon Steel Corp Method for hot-pressing steel sheet which has high strength after forming
JP4661306B2 (en) * 2005-03-29 2011-03-30 Ｊｆｅスチール株式会社 Manufacturing method of ultra-high strength hot-rolled steel sheet
JP2009061473A (en) * 2007-09-06 2009-03-26 Sumitomo Metal Ind Ltd Method for manufacturing high-strength component
JP5365217B2 (en) * 2008-01-31 2013-12-11 Ｊｆｅスチール株式会社 High strength steel plate and manufacturing method thereof
JP5385554B2 (en) * 2008-06-19 2014-01-08 株式会社神戸製鋼所 Steel for heat treatment
JP5131844B2 (en) * 2008-08-12 2013-01-30 新日鐵住金株式会社 Hot-rolled steel sheet for hot pressing, manufacturing method thereof, and manufacturing method of hot-pressed steel sheet member
JP5347394B2 (en) 2008-09-12 2013-11-20 Ｊｆｅスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
JP5347392B2 (en) 2008-09-12 2013-11-20 Ｊｆｅスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
JP5347393B2 (en) 2008-09-12 2013-11-20 Ｊｆｅスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
JP5347395B2 (en) 2008-09-12 2013-11-20 Ｊｆｅスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
KR101091294B1 (en) * 2008-12-24 2011-12-07 주식회사 포스코 Steel Sheet With High Strength And Elongation And Method For Manufacturing Hot-Rolled Steel Sheet, Cold-Rolled Steel Sheet, Galvanized Steel Sheet And Galvannealed Steel Sheet With High Strength And Elongation
JP4978741B2 (en) * 2010-05-31 2012-07-18 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet excellent in stretch flangeability and fatigue resistance and method for producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1616970A1 (en) * 2003-04-21 2006-01-18 JFE Steel Corporation High strength hot-rolled steel plate
US20090098408A1 (en) * 2007-10-10 2009-04-16 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
US20090238715A1 (en) * 2008-03-24 2009-09-24 Posco Steel sheet for hot press forming having low-temperature heat treatment property, method of manufacturing the same, method of manufacturing parts using the same, and parts manufactured by the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013133166A1 *

Also Published As

Publication number Publication date
CN104160052A (en) 2014-11-19
EP2824209A1 (en) 2015-01-14
KR101609967B1 (en) 2016-04-06
US20150027602A1 (en) 2015-01-29
KR20140121877A (en) 2014-10-16
JP5756773B2 (en) 2015-07-29
WO2013133166A1 (en) 2013-09-12
CN104160052B (en) 2016-08-31
JP2013185242A (en) 2013-09-19
US20180312947A1 (en) 2018-11-01

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