A METHOD FOR PRODUCING HIGH-CARBON STEEL RAILS EXCELLENT IN WEAR RESISTANCE AND DUCTILITY - Patent 1730317

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EP 1 730 317 A1

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(43)	Date of publication:
	13.12.2006 Bulletin 2006/50

(21)	Application number: 05726643.9

(22)	Date of filing: 09.03.2005

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International Patent Classification (IPC):

C21D 8/00^(2006.01)

B21B 1/08^(2006.01)

(86)	International application number:
	PCT/JP2005/004582

(87)	International publication number:
	WO 2005/085481 (15.09.2005 Gazette 2005/37)

(84)	Designated Contracting States:
	AT DE FR GB LU

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Priority:

09.03.2004 JP 2004065676
30.09.2004 JP 2004285934

(71)	Applicant: NIPPON STEEL CORPORATION
	Tokyo 100-71 (JP)

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Inventors:

UEDA, Masaharu, NIPPON STEEL CORP YAWATA WORKS
Kitakyushu-shi, Fukuoka 8048501 (JP)
FUJITA, Kazuo, NIPPON STEEL CORP YAWATA WORKS
Kitakyushu-shi, Fukuoka 8048501 (JP)
MATSUSHITA, Koichiro, NIPPON STEEL CORP YAMATA W
Kitakyushu-shi, Fukuoka 8048501 (JP)
YAMAMOTO, Takeshi, NIPPON STEEL CORP YAMATA WORKS
Kitakyushu-shi, Fukuoka 8048501 (JP)
SATOH, Takuya, NIPPON STEEL CORP YAWATAWORKS
Kitakyushu-shi, Fukuoka 8048501 (JP)

(74)	Representative: Vossius & Partner
	Siebertstrasse 4 81675 München 81675 München (DE)

(54)	A METHOD FOR PRODUCING HIGH-CARBON STEEL RAILS EXCELLENT IN WEAR RESISTANCE AND DUCTILITY