Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Reexamination Certificate
2011-08-23
2011-08-23
Yee, Deborah (Department: 1733)
Alloys or metallic compositions
Ferrous
Nine percent or more chromium containing
C420S586100, C148S327000, C148S419000
Reexamination Certificate
active
08003045
ABSTRACT:
A cast, austenitic steel composed essentially of, expressed in weight percent of the total composition, about 0.4 to about 0.7 C, about 20 to about 30 Cr, about 20 to about 30 Ni, about 0.5 to about 1 Mn, about 0.6 to about 2 Si, about 0.05 to about 1 Nb, about 0.05 to about 1 W, about 0.05 to about 1.0 Mo, balance Fe, the steel being essentially free of Ti and Co, the steel characterized by at least one microstructural component selected from the group consisting of MC, M23C6, and M(C, N).
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Maziasz Philip J.
Muralidharan Govindarajan
Pankiw Roman I.
Sikka Vinod Kumar
Gergel Edna I.
Marasco Joseph A.
UT-Battelle LLC
Yee Deborah
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