US20100172788A1 - Cold rolledsteel sheet and method for manufacturing the same - Google Patents

Cold rolledsteel sheet and method for manufacturing the same Download PDF

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Publication number
US20100172788A1
US20100172788A1 US12/602,764 US60276408A US2010172788A1 US 20100172788 A1 US20100172788 A1 US 20100172788A1 US 60276408 A US60276408 A US 60276408A US 2010172788 A1 US2010172788 A1 US 2010172788A1
Authority
US
United States
Prior art keywords
cold
steel
hot
added
amount
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.)
Abandoned
Application number
US12/602,764
Other languages
English (en)
Inventor
SeongJu Kim
Jeongsu Lee
Yongbin Im
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.)
Hyundai Steel Co
Original Assignee
Hyundai Steel Co
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 Hyundai Steel Co filed Critical Hyundai Steel Co
Priority claimed from PCT/KR2008/006260 external-priority patent/WO2009057911A1/en
Assigned to HYUNDAI STEEL COMPANY reassignment HYUNDAI STEEL COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IM, YONGBIN, KIM, SEONGJU, LEE, JEONGSU
Publication of US20100172788A1 publication Critical patent/US20100172788A1/en
Abandoned legal-status Critical Current

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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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips 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
    • 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
    • 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
    • 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
    • C22C38/04—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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

Definitions

  • cold-rolled steel sheets for vehicles require high strength for improving fuel efficiency by decreasing weight of the vehicles and for decreasing weight of the car body, and also require sufficient yield strength and tensile strength, good property press-forming property, spot weldability, fatigue property, and painting-corrosion proof, etc.
US12/602,764 2007-10-29 2008-10-23 Cold rolledsteel sheet and method for manufacturing the same Abandoned US20100172788A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2007-0109220 2007-10-29
KR20070109220 2007-10-29
KR1020080103409A KR101042434B1 (ko) 2007-10-29 2008-10-22 냉연강판 및 그의 제조방법
KR10-2008-0103409 2008-10-22
PCT/KR2008/006260 WO2009057911A1 (en) 2007-10-29 2008-10-23 A cold rolledsteel sheet and method for manufacturing the same

Publications (1)

Publication Number Publication Date
US20100172788A1 true US20100172788A1 (en) 2010-07-08

Family

ID=40854271

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/602,764 Abandoned US20100172788A1 (en) 2007-10-29 2008-10-23 Cold rolledsteel sheet and method for manufacturing the same

Country Status (5)

Country Link
US (1) US20100172788A1 (de)
JP (1) JP2010530030A (de)
KR (1) KR101042434B1 (de)
CN (1) CN101680046B (de)
DE (1) DE112008001551B4 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200165711A1 (en) * 2016-02-19 2020-05-28 Nippon Steel & Sumitomo Metal Corporation Steel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102115808B (zh) * 2010-11-17 2013-04-24 山东钢铁股份有限公司 铁素体区轧制温度控制系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847682A (en) * 1972-11-14 1974-11-12 Armco Steel Corp Method of strengthening low carbon steel and product thereof
US4124412A (en) * 1971-01-18 1978-11-07 Armco Steel Corporation Columbium treated, non-aging, vacuum degassed low carbon steel and method for producing same
JPH07278654A (ja) * 1994-04-08 1995-10-24 Nippon Steel Corp 成形加工性に優れ、塗装焼付け硬化性を有し、かつ幅方向の塗装焼付け硬化性の変動の少ない自動車用高強度冷延鋼板の製造方法
JPH0841549A (ja) * 1994-08-01 1996-02-13 Kawasaki Steel Corp 製缶用鋼板の製造方法
JP2007162082A (ja) * 2005-12-15 2007-06-28 Jfe Steel Kk 耐ひずみ時効性に優れ、面内異方性の小さい冷延鋼板の製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0525549A (ja) * 1991-07-22 1993-02-02 Nippon Steel Corp 焼付硬化性に優れた冷延鋼板の製造方法
JPH0892695A (ja) * 1994-09-29 1996-04-09 Kawasaki Steel Corp 製缶加工性及びフランジ加工性に優れる２ピース缶用鋼板とその製造方法
EP0767247A4 (de) * 1995-02-23 1999-11-24 Nippon Steel Corp Kaltgewalztes stahlblech und feuerversinkter galvanisiertes stahlblech mit hervorragender gleichmässiger bearbeitbarkeit, und verfahren zur herstellung der bleche
KR100256371B1 (ko) * 1995-12-30 2000-05-15 이구택 성형성과 소부경화성이 우수한 유기피복형 냉연강판의 제조방법
JP4177478B2 (ja) * 1998-04-27 2008-11-05 Ｊｆｅスチール株式会社 成形性、パネル形状性、耐デント性に優れた冷延鋼板、溶融亜鉛めっき鋼板及びそれらの製造方法
JP3745496B2 (ja) * 1997-04-18 2006-02-15 新日本製鐵株式会社 塗装焼付硬化性能に優れた冷延鋼板および合金化溶融亜鉛めっき鋼板の製造方法
JP3353688B2 (ja) * 1998-02-24 2002-12-03 住友金属工業株式会社 ほうろう用冷延鋼板とその製造方法
JP2002030383A (ja) 2000-07-11 2002-01-31 Nippon Steel Corp 焼付硬化性、耐パウダリング性、プレス成形性に優れた溶融亜鉛めっき鋼板およびその製造方法
JP3958921B2 (ja) * 2000-08-04 2007-08-15 新日本製鐵株式会社 塗装焼付硬化性能と耐常温時効性に優れた冷延鋼板及びその製造方法
CN1174109C (zh) * 2002-09-20 2004-11-03 武汉钢铁(集团)公司 电池壳用极薄钢带及其生产方法
JP4337764B2 (ja) * 2005-04-08 2009-09-30 住友金属工業株式会社 高強度冷延鋼板、溶融亜鉛めっき鋼板、それらの製造方法
JP4900179B2 (ja) * 2007-10-11 2012-03-21 Ｊｆｅスチール株式会社 缶用鋼板原板の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124412A (en) * 1971-01-18 1978-11-07 Armco Steel Corporation Columbium treated, non-aging, vacuum degassed low carbon steel and method for producing same
US3847682A (en) * 1972-11-14 1974-11-12 Armco Steel Corp Method of strengthening low carbon steel and product thereof
JPH07278654A (ja) * 1994-04-08 1995-10-24 Nippon Steel Corp 成形加工性に優れ、塗装焼付け硬化性を有し、かつ幅方向の塗装焼付け硬化性の変動の少ない自動車用高強度冷延鋼板の製造方法
JPH0841549A (ja) * 1994-08-01 1996-02-13 Kawasaki Steel Corp 製缶用鋼板の製造方法
JP2007162082A (ja) * 2005-12-15 2007-06-28 Jfe Steel Kk 耐ひずみ時効性に優れ、面内異方性の小さい冷延鋼板の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200165711A1 (en) * 2016-02-19 2020-05-28 Nippon Steel & Sumitomo Metal Corporation Steel

Also Published As

Publication number Publication date
CN101680046A (zh) 2010-03-24
DE112008001551B4 (de) 2011-07-07
CN101680046B (zh) 2012-01-04
DE112008001551T5 (de) 2010-04-29
JP2010530030A (ja) 2010-09-02
KR20090043442A (ko) 2009-05-06
KR101042434B1 (ko) 2011-06-16

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Legal Events

Date Code Title Description
AS Assignment

Owner name: HYUNDAI STEEL COMPANY, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIM, SEONGJU;LEE, JEONGSU;IM, YONGBIN;REEL/FRAME:023600/0590

Effective date: 20091125

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION