Title:
FERRITIC STAINLESS STEEL SHEET HAVING SUPERIOR SEIZURE RESISTANCE, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2005248191
Kind Code:
A
Abstract:
To provide a ferritic stainless steel sheet which has superior heat resistance and superior seizure resistance when being press-formed.
The ferritic stainless steel sheet has an oxide film consisting of a Cr-Mn-based oxide with a thickness of 50 to 500 nm on the surface, and a surface roughness of 0.02 to 2.5 μm by arithmetical mean roughness Ra. The ferritic stainless steel sheet may have the oxide film consisting of the Cr-Mn-based oxide on the outer surface and that consisting of a Cr-based oxide on the inner surface.
Inventors:
TAKAHASHI MASAHIRO
MORISHITA NAOHIKO
HATANO MASAHARU
MORISHITA NAOHIKO
HATANO MASAHARU
Application Number:
JP2004055773A
Publication Date:
September 15, 2005
Filing Date:
March 01, 2004
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
C23C8/14; C21D9/46; C22C38/00; C22C38/60; (IPC1-7): C23C8/14; C21D9/46; C22C38/00; C22C38/60
Domestic Patent References:
| JPH08325674A | 1996-12-10 | |||
| JPH108218A | 1998-01-13 | |||
| JPH11312474A | 1999-11-09 | |||
| JPH0350199A | 1991-03-04 | |||
| JPH10259418A | 1998-09-29 | |||
| JP2003239060A | 2003-08-27 | |||
| JPH1161376A | 1999-03-05 | |||
| JPH10330904A | 1998-12-15 |
Attorney, Agent or Firm:
Mikiji Sugioka
Terutada Hogami
Terutada Hogami