Aluminum-containing ferritic stainless steel having...

Details Aluminum-containing ferritic stainless steel having... Aluminum-containing ferritic stainless steel having...

C - Chemistry, Metallurgy

22

C

C22C 38/18 (2006.01)

Patent

CA 2053175

Abstract of the Disclosure There is disclosed a ferritic stainless steel essentially consisting of C: not more than 0.03 %, Si: less than 0.25 %, Mn: less than 0.25 %, P: not more than 0.03 %, S: less than 0.001 %, N: not more than 0.03 %, Cr: 15 - 25 %, Al: 3 - 6 %, at least one of REM, Y and alkaline earth metals: 0.01 - 0.2 %, optionally at least one of Nb, V and Ti: 0.05 - 1 % and the balance of Fe and unavoidable incidental impurities. This steel has excellent high temperature oxidation resistance, espe- cially resistance to abnormal oxidation and high tough- ness and is suitable for manufacturing foil substrate for metallic catalytic converters for automobile exhaust gas treatment.

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