Title:
FERRITIC STAINLESS STEEL SHEET HAVING EXCELLENT DEEP DRAWABILITY AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2009299116
Kind Code:
A
Abstract:
To provide a ferritic steel sheet having excellent deep drawability, and to provide a method for producing the same.
The ferritic stainless steel sheet having excellent deep drawability, has a composition comprising, by mass, 0.015% C, 0.3% Si, 0.40% Mn, 0.04% P, 0.008% S, 0.08% Al, 0.015% N, 20.5 to 23.5% Cr, 0.3 to 0.7% Cu, 0.2 to 0.4% Ti, 0.5% Ni and 0.01% Nb, and the balance Fe with inevitable impurities, wherein the average ferrite crystal grain size is 40 m, and the ratio S111 of the ferrite crystal grains in which an orientation difference with {111}//ND occupied in the cross section formed of a rolling direction and a sheet thickness direction is 10 is 20%.
Inventors:
SAGAWA TAKASHI
OTA HIROKI
UGI TAKUMI
OTA HIROKI
UGI TAKUMI
Application Number:
JP2008153624A
Publication Date:
December 24, 2009
Filing Date:
June 12, 2008
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
C22C38/00; C21D9/46; C22C38/50
Domestic Patent References:
| JP2008081758A | 2008-04-10 | |||
| JP2007077496A | 2007-03-29 | |||
| JP2007262474A | 2007-10-11 | |||
| JP2003201547A | 2003-07-18 | |||
| JP2001316775A | 2001-11-16 |
Attorney, Agent or Firm:
Kenichiro Ochiai
Kazuhiro Mori
Kazuhiro Mori