HIGH STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT SHAPE FREEZABILITY, AND METHOD FOR MANUFACTURING THE SAME - Patent 1805339

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EP 1 805 339 A1

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(43)	Date of publication:
	11.07.2007 Bulletin 2007/28

(21)	Application number: 05856408.9

(22)	Date of filing: 30.09.2005

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International Patent Classification (IPC):

C22C 38/00^(2006.01)

(86)	International application number:
	PCT/KR2005/003239

(87)	International publication number:
	WO 2006/080670 (03.08.2006 Gazette 2006/31)

(84)	Designated Contracting States:
	DE FR

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Priority:

30.09.2004 KR 20040077814

(71)	Applicant: Posco Co., Ltd.
	Pohang-si, Kyungsangbook-do 790-300 (KR)

(72)	Inventors:
	CHOI, Shi-Hoon, c/o POSCO Pohang, Kyungsangbook-do 790-300 (KR) KIM, Chin-Chul, c/o POSCO Pohang, Kyungsangbook-do 790-300 (KR) CHIN, Kwang-Geun, c/o POSCO Pohang, Kyungsangbook-do 790-300 (KR)

(74)	Representative: Larcher, Dominique
	Cabinet Vidon 16B, rue Jouannet B.P. 90333 Technopôle Atalante 35703 Rennes Cedex 7 35703 Rennes Cedex 7 (FR)

(54)	HIGH STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT SHAPE FREEZABILITY, AND METHOD FOR MANUFACTURING THE SAME