Allegheny Technologies - Wikipedia
Allegheny Technologies Incorporated (ATI) is a specialty metals company headquartered in Dallas, TX.. ATI produces titanium and titanium alloys, nickel-based alloys and superalloys, grain-oriented electrical steel, stainless and specialty steels, zirconium, hafnium, and niobium, tungsten materials, forgings and castings.. ATI's key markets are aerospace and defense particularly commercial jet ...