Substrate for catalytic system and ferritic stainless steel...

Details Substrate for catalytic system and ferritic stainless steel... Substrate for catalytic system and ferritic stainless steel...

C - Chemistry, Metallurgy

22

C

75/118, 252/37

C22C 38/18 (2006.01) B01D 53/36 (1980.01)

Patent

CA 1170481

1227 SUBSTRATE FOR CATALYTIC SYSTEM AND FERRITIC STAINLESS STEEL FROM WHICH IT IS FORMED ABSTRACT OF THE DISCLOSURE A system comprising a ferritic stainless steel substrate having a tightly adherent oxide coating and a catalytic material thereupon, and the ferritic stainless steel from which the substrate is formed. The ferritic stainless steel is of a chemistry which forms a tightly adherent non-spalling scale suitable for application of a catalytic bearing material. It consists essentially of, by weight, up to 26% chromium, from 1 to 8% aluminum, between 0.01 and 0.1% yttrium, up to 0.1% carbon, up to 2% silicon, balance essentially iron.

368518

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