Pacific Metallurgical is the Northwest leader in heat treating services, Nadcap approved, and conveniently located in Kent Washington. Catering to local machine shops and the aerospace industry in the United States and around the globe since 1967, Pacific Metallurgical specializes in heat treating metals such as alloy steels, stainless steels, titanium, aluminum, brass, copper, nickel based, and heat resisting super alloys. Our processes include normalizing, austenitizing, gas and oil quenching, annealing, tempering, aging, stress relieving, gas carburizing, gas nitriding, precision straightening, and more. We don't just do aerospace work. We also specialize in heat treating tooling, tools and dies and high performance metal parts for hydroplanes, dragsters, Formula One, and more.