Metal treatment – Stock – Ferrous
Reexamination Certificate
2003-06-16
2009-02-24
Yee, Deborah (Department: 1793)
Metal treatment
Stock
Ferrous
C148S325000, C148S608000, C148S609000, C148S610000
Reexamination Certificate
active
07494551
ABSTRACT:
A Ti-containing ferritic stainless steel sheet and a manufacturing method thereof include stainless steels being formed while a refining load is decreased and having a low yield strength which exhibits superior workability. The Ti-containing ferritic stainless steel sheet contains on mass percent basis: 0.01% or less of C; 0.5% or less of Si; 0.3% or less of Mn; 0.01% to 0.04% of P; 0.01% or less of S; 8% to 30% of Cr; 1.0% or less of Al; 0.05% to 0.5% of Ti; 0.04% or less of N, 8≦Ti/(C+N)≦30 being satisfied; and the balance being substantially Fe and incidental impurities, wherein a grain size number of ferrite grain is 6.0 or more, and an average diameter Dp of precipitation diameters, each being [(a long axis length of a Ti base precipitate+a short axis length thereof)/2], of the Ti base precipitates in the steel sheet is in the range of from 0.05 μm to 1.0 μm.
REFERENCES:
patent: 5685923 (1997-11-01), Takata et al.
patent: 6855213 (2005-02-01), Yoshitake et al.
patent: 1 386 977 A-1 (2004-02-01), None
patent: 9-137231 (1995-05-01), None
patent: 7-233449 (1995-09-01), None
patent: 9-227999 (1997-02-01), None
patent: 9-235621 (1997-09-01), None
patent: 9-256065 (1997-09-01), None
patent: 10-130786 (1998-05-01), None
patent: 2000-336462 (2000-12-01), None
Furukimi Osamu
Kato Yasushi
Yazawa Yoshihiro
DLA Piper (LLP) US
JFE Steel Corporation
Yee Deborah
LandOfFree
Ferritic stainless steel plate with Ti and method for... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ferritic stainless steel plate with Ti and method for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ferritic stainless steel plate with Ti and method for... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4128685