A method of welding aluminum alloy steel, and oxide dispersion strengthened aluminum alloy steel. The method includes heating at least one aluminum alloy steel work piece to a predetermined temperature, cleaning the weld surface, providing an Aluchrom Y filler to the weld site, welding the work piece and filler under an argon atmosphere to form a welded article, and post-weld heat treating the welded article. The method may also be used to join aluminum alloy steels to austenitic steels. A welded article joined by the method is also described.
STATEMENT REGARDING FEDERAL RIGHTS
 This invention was made with government support under Contract No. DE-AC 52-06 NA 25396, awarded by the U.S. Department of Energy. The government has certain rights in the invention.