Johnston Sarah C Dr

Chiropractor. Precision investment castings (lost wax) in steel, stainless steel, nickel based, cobalt based, and copper based alloys. Full service manufacturing, including rapid prototyping, machining, plating, and testing. Ready to use components, including heat treatment, passivation, plating, and polishing. Manufacturing commercial grade to nuclear applications. Investment castings in a weight range from under 1 ounce up to 200 pounds. Alloys are melted in high frequency induction furnaces, offering complete flexibility and metallurgical dependability. Engineering and design assistance services, and conversion to investment castings from other processes. Certified to ISO9001-2000, as well as nuclear, pressure vessel, ASME, and other critical quality programs.