STEEL SHEET FOR USE IN CAN, AND METHOD FOR PRODUCTION THEREOF

Title:

STEEL SHEET FOR USE IN CAN, AND METHOD FOR PRODUCTION THEREOF

Document Type and Number:

WIPO Patent Application WO/2008/136290

Kind Code:

A1

Abstract:

The object is to produce a precipitation-hardened and grain-refined steel sheet by incorporating at least one member selected from the following elements as an component by continuous annealing: Nb: 0.005 to 0.05%; Ti: 0.005 to 0.05%, and B: 0.0005 to 0.005%. A steel having at least one member selected form Nb, Ti and B incorporated thereinto is hot-rolled, is cooled at a cooling rate of 40˚C/s or less, and is taken-up at 550˚C or higher, thereby accelerating the precipitation of cementite after cold rolling and recrystallization annealing. Thus, a steel sheet for use in a can can be produced, which has a tensile strength of 450 to 550 MPa, a total elongation of 20% or more and an yield elongation of 5% or less.

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Inventors:

NISHIHARA YUKA (JP)
KOJIMA KATSUMI (JP)
IWASA HIROKI (JP)
YAMASHITA YOSHUN (JP)

Application Number:

PCT/JP2008/057642

Publication Date:

November 13, 2008

Filing Date:

April 14, 2008

Export Citation:

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Assignee:

JFE STEEL CORP (JP)
NISHIHARA YUKA (JP)
KOJIMA KATSUMI (JP)
IWASA HIROKI (JP)
YAMASHITA YOSHUN (JP)

International Classes:

C22C38/00; B21B3/00; C21D9/46; C22C38/14

Foreign References:

JPH08325670A	1996-12-10
JP2001089829A	2001-04-03
JP2008138234A	2008-06-19
JP2001107186A	2001-04-17
JPH11199991A	1999-07-27
JPH08325670A	1996-12-10
JP2004183074A	2004-07-02
JP2001089828A	2001-04-03

Other References: