ALLEGHENY LUDLUM OR-1 is a titanium-stabilized, ferritic chromium stainless steel with high resistance to oxidation. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-281. Producer or source: Allegheny Ludlum Corporation.