Title:
FERRITIC STAINLESS STEEL SHEET HAVING EXCELLENT ANTI-BACTERIAL ACTIVITY, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2014/103722
Kind Code:
A1
Abstract:
A ferritic stainless steel sheet. An first embodiment of the ferritic stainless steel sheet contains 0.1 to 5.0 mass% inclusive of Cu and has a Cu-rich layer on the surface thereof, wherein the maximum concentration of Cu (Cm) in the Cu-rich layer is 10.0 mass% or more and the Fe/Cr ratio at a position at which the maximum concentration of Cu (Cm) is stood at, as observed from the surface of the steel sheet in the thickness direction, is 2.4 or more. A second embodiment of the ferritic stainless steel sheet contains 0.1 to 5.0 mass% inclusive of Cu and has a Cu-rich layer on the surface thereof, wherein the maximum concentration of Cu (Cm) in the Cu-rich layer is 18.0 mass% or more.
Inventors:
MORITA TOMOHIKO (JP)
HATANO MASAHARU (JP)
ISHIMARU EIICHIRO (JP)
IUCHI KOICHI (JP)
YAMAGISHI AKIHITO (JP)
HATANO MASAHARU (JP)
ISHIMARU EIICHIRO (JP)
IUCHI KOICHI (JP)
YAMAGISHI AKIHITO (JP)
Application Number:
PCT/JP2013/083205
Publication Date:
July 03, 2014
Filing Date:
December 11, 2013
Export Citation:
Assignee:
NIPPON STEEL & SUMIKIN SST (JP)
International Classes:
C22C38/00; C21D9/46; C22C38/20; C22C38/58; C23G1/08
Foreign References:
| JPH111785A | 1999-01-06 | |||
| JPH05230681A | 1993-09-07 | |||
| JPH10140295A | 1998-05-26 | |||
| JPH09143569A | 1997-06-03 | |||
| JPS5589431A | 1980-07-07 | |||
| JPH07216514A | 1995-08-15 | |||
| JPH0860303A | 1996-03-05 | |||
| JPH10273731A | 1998-10-13 | |||
| JPH116036A | 1999-01-12 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
Download PDF: