TWI361223B - Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same - Google Patents

Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same Download PDF

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Publication number
TWI361223B
TWI361223B TW93140008A TW93140008A TWI361223B TW I361223 B TWI361223 B TW I361223B TW 93140008 A TW93140008 A TW 93140008A TW 93140008 A TW93140008 A TW 93140008A TW I361223 B TWI361223 B TW I361223B
Authority
TW
Taiwan
Prior art keywords
steel sheet
less
steel
relationship
composition
Prior art date
Application number
TW93140008A
Other languages
English (en)
Chinese (zh)
Other versions
TW200533765A (en
Inventor
Jeong Bong Yoon
Won-Ho Son
Ki-Bong Kang
Noi-Ha Cho
Original Assignee
Posco
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 KR1020030095395A external-priority patent/KR101104981B1/ko
Priority claimed from KR1020030095394A external-priority patent/KR101105132B1/ko
Priority claimed from KR1020030095393A external-priority patent/KR101105007B1/ko
Priority claimed from KR1020030099351A external-priority patent/KR101105025B1/ko
Priority claimed from KR1020030099350A external-priority patent/KR101105098B1/ko
Priority claimed from KR1020040071395A external-priority patent/KR101115709B1/ko
Priority claimed from KR1020040071705A external-priority patent/KR101115763B1/ko
Priority claimed from KR1020040084297A external-priority patent/KR101115842B1/ko
Application filed by Posco filed Critical Posco
Publication of TW200533765A publication Critical patent/TW200533765A/zh
Application granted granted Critical
Publication of TWI361223B publication Critical patent/TWI361223B/zh

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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/002—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
TW93140008A 2003-12-23 2004-12-22 Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same TWI361223B (en)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
KR1020030095395A KR101104981B1 (ko) 2003-12-23 2003-12-23 내2차가공취성이 우수한 소부경화형 고강도 냉연강판과 그제조방법
KR1020030095394A KR101105132B1 (ko) 2003-12-23 2003-12-23 소부경화형 고강도 냉연강판과 그 제조방법
KR1020030095393A KR101105007B1 (ko) 2003-12-23 2003-12-23 소부경화형 냉연강판과 그 제조방법
KR20030098746 2003-12-29
KR20030099435 2003-12-29
KR20030099437 2003-12-29
KR20030098745 2003-12-29
KR20030098744 2003-12-29
KR1020030099351A KR101105025B1 (ko) 2003-12-29 2003-12-29 면내이방성이 작은 소부경화형 고강도 냉연강판과 그제조방법
KR1020030099350A KR101105098B1 (ko) 2003-12-29 2003-12-29 가공성이 우수한 소부경화형 고강도 냉연강판과 그 제조방법
KR20030098743 2003-12-29
KR20030099461 2003-12-30
KR20030099462 2003-12-30
KR20030099463 2003-12-30
KR20030099464 2003-12-30
KR1020040071395A KR101115709B1 (ko) 2004-09-07 2004-09-07 가공성이 우수한 소부경화형 냉연강판과 그 제조방법
KR1020040071705A KR101115763B1 (ko) 2004-09-08 2004-09-08 가공성이 우수한 소부경화형 고강도 냉연강판과 그 제조방법
KR1020040084297A KR101115842B1 (ko) 2004-10-21 2004-10-21 가공성이 우수한 소부경화형 고강도 냉연강판과 그 제조방법

Publications (2)

Publication Number Publication Date
TW200533765A TW200533765A (en) 2005-10-16
TWI361223B true TWI361223B (en) 2012-04-01

Family

ID=36847674

Family Applications (1)

Application Number Title Priority Date Filing Date
TW93140008A TWI361223B (en) 2003-12-23 2004-12-22 Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same

Country Status (4)

Country Link
EP (1) EP1704261B1 (fr)
JP (1) JP4439525B2 (fr)
ES (1) ES2389656T3 (fr)
TW (1) TWI361223B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4957829B2 (ja) * 2010-05-11 2012-06-20 Ｊｆｅスチール株式会社 冷延鋼板およびその製造方法
CN113106331A (zh) * 2020-11-25 2021-07-13 江汉大学 一种220MPa级热镀锌高强IF钢及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410372A (en) * 1981-06-10 1983-10-18 Nippon Steel Corporation Process for producing deep-drawing, non-ageing, cold rolled steel strips having excellent paint bake-hardenability by continuous annealing
JPH05195060A (ja) * 1992-01-13 1993-08-03 Kobe Steel Ltd 耐時効性、プレス成形性の優れた焼付硬化型冷延鋼板の製造方法
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

Also Published As

Publication number Publication date
TW200533765A (en) 2005-10-16
JP2007517138A (ja) 2007-06-28
JP4439525B2 (ja) 2010-03-24
EP1704261A4 (fr) 2008-09-24
EP1704261B1 (fr) 2012-06-13
EP1704261A1 (fr) 2006-09-27
ES2389656T3 (es) 2012-10-30

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MM4A Annulment or lapse of patent due to non-payment of fees