MY163017A - High strength cold rolled steel sheet having excellent formability, and method for manufacturing the same - Google Patents

High strength cold rolled steel sheet having excellent formability, and method for manufacturing the same

Info

Publication number
MY163017A
MY163017A MYPI2012003691A MYPI2012003691A MY163017A MY 163017 A MY163017 A MY 163017A MY PI2012003691 A MYPI2012003691 A MY PI2012003691A MY PI2012003691 A MYPI2012003691 A MY PI2012003691A MY 163017 A MY163017 A MY 163017A
Authority
MY
Malaysia
Prior art keywords
high strength
steel sheet
rolled steel
cold rolled
strength cold
Prior art date
Application number
MYPI2012003691A
Inventor
Taro Kizu
Yoshimasa Funakawa
Original Assignee
Jfe Steel Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49594723&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MY163017(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of MY163017A publication Critical patent/MY163017A/en

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

AN OBJECT OF THE PRESENT INVENTION IS TO PROVIDE A HIGH STRENGTH COLD ROLLED STEEL SHEET BEING EXCELLENT IN BOTH FORMABILITY AND HOLE EXPANSION FORMABILITY AND A METHOD FOR ADVANTAGEOUSLY MANUFACTURING THE HIGH STRENGTH COLD ROLLED STEEL SHEET. SPECIFICALLY, THE PRESENT INVENTION PROVIDES A HIGH STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY, COMPRISING A COMPOSITION INCLUDING IN MASS %: C: 0.05% TO 0.20%; SI: 0.10% OR LESS; MN: 0.2% TO 1.7%; P: 0.10% OR LESS; S: 0.10% OR LESS; AL: 0.0 1% TO 0.10%; N: 0.010% OR LESS; AND THE BALANCE AS FE AND INCIDENTAL IMPURITIES, WHEREIN PROVIDED THAT [% M] REPRESENTS CONTENT (MASS %) OF ELEMENT M IN STEEL, [% MN]/[% C]≥ 2.0, AREA RATIO OF FERRITE IS AT LEAST 90%, AREA RATIO OF PEARLITE IS IN THE RANGE OF 1% TO 10%, AND LAMELLAR SPACING OF PEARLITE IS NOT LARGER THAN 0.5 µM
MYPI2012003691A 2012-03-22 2012-09-04 High strength cold rolled steel sheet having excellent formability, and method for manufacturing the same MY163017A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012066046 2012-03-22
JP2012110817A JP2013224477A (en) 2012-03-22 2012-05-14 High-strength thin steel sheet excellent in workability and method for manufacturing the same

Publications (1)

Publication Number Publication Date
MY163017A true MY163017A (en) 2017-07-31

Family

ID=49594723

Family Applications (2)

Application Number Title Priority Date Filing Date
MYPI2012003692A MY163256A (en) 2012-03-22 2012-08-15 High strength steel having excellent formability, and method for manufacturing the same
MYPI2012003691A MY163017A (en) 2012-03-22 2012-09-04 High strength cold rolled steel sheet having excellent formability, and method for manufacturing the same

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MYPI2012003692A MY163256A (en) 2012-03-22 2012-08-15 High strength steel having excellent formability, and method for manufacturing the same

Country Status (4)

Country Link
JP (1) JP2013224477A (en)
BR (1) BR102012020445A2 (en)
MY (2) MY163256A (en)
RU (1) RU2527514C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017043835A (en) * 2015-08-25 2017-03-02 株式会社神戸製鋼所 Steel for machine structural use for cold-working, and production method therefor
WO2017169871A1 (en) * 2016-03-31 2017-10-05 Ｊｆｅスチール株式会社 Thin steel plate and plated steel plate, hot rolled steel plate manufacturing method, cold rolled full hard steel plate manufacturing method, thin steel plate manufacturing method and plated steel plate manufacturing method
WO2018042522A1 (en) * 2016-08-30 2018-03-08 新日鐵住金株式会社 Oil well pipe for expandable tubular
KR102271301B1 (en) * 2018-11-30 2021-06-30 주식회사 포스코 Steel sheet for enamel and method of manufacturing the same
CN110284053B (en) * 2019-04-30 2020-12-08 武汉钢铁有限公司 high-P high-strength-toughness high-weather-resistance hot continuous rolled steel and manufacturing method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1571229B1 (en) * 2000-02-29 2007-04-11 JFE Steel Corporation High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
CA2380377C (en) * 2000-05-31 2007-01-09 Kawasaki Steel Corporation Cold-rolled steel sheets with superior strain-aging hardenability
KR20070122581A (en) * 2003-04-10 2007-12-31 신닛뽄세이테쯔 카부시키카이샤 Hot-dip zinc coated steel sheet having high strength and method for production thereof
JP4235030B2 (en) * 2003-05-21 2009-03-04 新日本製鐵株式会社 High-strength cold-rolled steel sheet and high-strength surface-treated steel sheet having excellent local formability and a tensile strength of 780 MPa or more with suppressed increase in hardness of the weld
JP5369663B2 (en) * 2008-01-31 2013-12-18 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in workability and manufacturing method thereof

Also Published As

Publication number Publication date
BR102012020445A2 (en) 2015-06-23
MY163256A (en) 2017-08-30
JP2013224477A (en) 2013-10-31
RU2527514C2 (en) 2014-09-10
RU2012134767A (en) 2014-02-20

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