MY169974A - High strength cold rolled steel sheets having excellent surface quality after press forming and method for manufacturing the same - Google Patents

High strength cold rolled steel sheets having excellent surface quality after press forming and method for manufacturing the same

Info

Publication number
MY169974A
MY169974A MYPI2012003445A MYPI2012003445A MY169974A MY 169974 A MY169974 A MY 169974A MY PI2012003445 A MYPI2012003445 A MY PI2012003445A MY PI2012003445 A MYPI2012003445 A MY PI2012003445A MY 169974 A MY169974 A MY 169974A
Authority
MY
Malaysia
Prior art keywords
mass
high strength
surface quality
rolled steel
cold rolled
Prior art date
Application number
MYPI2012003445A
Inventor
Yasunobu Nagataki
Hideyuki Kimura
Hideyuki Takahashi
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=48476860&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MY169974(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 MY169974A publication Critical patent/MY169974A/en

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  • Heat Treatment Of Sheet Steel (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

A high strength cold rolled steel sheet useful as an outer or inner panel for automobile and having an excellent surface quality after press forming is provided, which has a chemical composition comprising C: 0.0005-0.0050 mass%, Si: not more than 0.50 mass%, Mn: not more than 2.00 mass%, P: not more than 0.100 mass%, S: not more than 0.020 mass%, Ti: 0.010-0.100 mass%, sol. A1: not more than 0.080 mass% and N: not more than 0.0070 mass% and the remainder being Fe and inevitable impurities, provided that C, N, S and Ti satisfy the following relational equation (I): ([%Ti]/48 - [%N]/14 - [%S]/32) I ([%C]/12) ? 1.00 ... (I) wherein [%M] represents a content of M element in steel (mass%).
MYPI2012003445A 2011-09-27 2012-07-31 High strength cold rolled steel sheets having excellent surface quality after press forming and method for manufacturing the same MY169974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011211382A JP2013072110A (en) 2011-09-27 2011-09-27 High-tensile, cold-rolled steel sheet excellent in surface quality after molding and method for manufacturing the same

Publications (1)

Publication Number Publication Date
MY169974A true MY169974A (en) 2019-06-19

Family

ID=48476860

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012003445A MY169974A (en) 2011-09-27 2012-07-31 High strength cold rolled steel sheets having excellent surface quality after press forming and method for manufacturing the same

Country Status (5)

Country Link
JP (1) JP2013072110A (en)
BR (1) BR102012019140A2 (en)
MY (1) MY169974A (en)
RU (1) RU2524031C2 (en)
ZA (1) ZA201205765B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6082451B2 (en) * 2015-03-18 2017-02-15 株式会社神戸製鋼所 Steel sheet for hot pressing and manufacturing method thereof
CN109715838B (en) 2016-09-20 2021-08-03 蒂森克虏伯钢铁欧洲股份公司 Method for producing a flat steel product and flat steel product
RU2699480C1 (en) * 2018-12-14 2019-09-05 Публичное акционерное общество "Северсталь" (ПАО "Северсталь") Method of producing cold-rolled products

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60125253T2 (en) * 2000-02-29 2007-04-05 Jfe Steel Corp. High strength hot rolled steel sheet with excellent stretch aging properties
CA2379698C (en) * 2000-05-26 2009-02-17 Kawasaki Steel Corporation Cold rolled steel sheet and galvanized steel sheet having strain age hardenability
JP3958921B2 (en) * 2000-08-04 2007-08-15 新日本製鐵株式会社 Cold-rolled steel sheet excellent in paint bake-hardening performance and room temperature aging resistance and method for producing the same
US6962631B2 (en) * 2000-09-21 2005-11-08 Nippon Steel Corporation Steel plate excellent in shape freezing property and method for production thereof
RU2313583C2 (en) * 2006-01-24 2007-12-27 Открытое акционерное общество "Северсталь" Method for producing of cold-rolled steel for cold pressing
RU2330887C1 (en) * 2006-10-30 2008-08-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Method of producing cold-rolled steel for deep-drawing

Also Published As

Publication number Publication date
ZA201205765B (en) 2013-05-29
BR102012019140A2 (en) 2015-05-19
RU2524031C2 (en) 2014-07-27
JP2013072110A (en) 2013-04-22
RU2012132849A (en) 2014-02-10

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