Skid rail using fe/cr dispersion strengthened alloys

Details Skid rail using fe/cr dispersion strengthened alloys Skid rail using fe/cr dispersion strengthened alloys

F - Mech Eng,Light,Heat,Weapons

27

D

38/32, 75/1.2

F27D 3/02 (2006.01) C22C 32/00 (2006.01) C22C 38/00 (2006.01) F27B 9/20 (2006.01)

Patent

CA 2035634

ABSTRACT OF DISCLOSURE A skid rail for use in a furnace operating at high temperature is prepared by using an oxide-dispersion strengthened type heat resistant alloy, which consists essentially of about 10-40% Cr and the balance of Fe and contains about 0.1-2% of fine particles of high melting point metal oxide such as Y2O3 dispersed in the ferrite matrix. The alloy optinally further contains up to about 5% Al, or up to about 5% Al and up to about 5% Ti. The skid rail exhibits excellent properties of anti- hot deformation, oxidation resistance, abrasion resistance, sulfidation resistance and thermal shock resistance.

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