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Title:
FERRITIC STAINLESS HOT ROLLED STEEL SHEET FOR COLD ROLLING AND ITS PRODUCTION METHOD
Document Type and Number:
Japanese Patent JP2008088534
Kind Code:
A
Abstract:

To provide a ferritic stainless hot rolled steel sheet for cold rolling with which the workability, particularly, bending workability of a cold rolled steel sheet is not influenced by production conditions on an after cold rolling which is ordinarily performed, and to provide its production method.

A steel slab having a composition comprising, by mass, 0.03 to 0.06% C, 0.20% Si, 0.6 to 1.0% Mn, 0.040% P, 0.010% S, 0.01% Al, 0.05% N and 15 to 20% Cr, and the balance Fe with inevitable impurities is reheated to 1,000C, is subjected to hot rolling in which finish rolling finishing temperature is controlled to 900C, and is coiled at 780C, so as to be a hot rolled steel sheet, and thereafter, the hot rolled steel sheet is annealed at 860C, so as to produce the hot rolled steel sheet for a ferritic stainless cold rolled steel sheet.


Inventors:
Funakawa, Yoshimasa
Ide, Shinsuke
Ota, Masayuki
Application Number:
JP2006000273592
Publication Date:
April 17, 2008
Filing Date:
October 05, 2006
Export Citation:
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Assignee:
JFE STEEL KK
International Classes:
C22C38/00; B21B3/02; C21D9/46; C22C38/18