QuesTek's computationally designed, ultra-high performance steels and alloys are being used in and qualified for demanding aerospace and defense applications.

High-hardness, high-strength carburizing steel that offers good fracture toughness, high fatigue strength, high corrosion resistance and high temperature resistance, designed to replace 9310, Pyrowear 53, EN36A, EN36B, EN36C and 8620. C64 steel is currently and upgrade from Pyrowear 53 in Bell Helicopter transmission gear boxes. Covered by AMS 6509.

Ultra-high strength, high fracture toughness, SCC-resistant steel used in demanding aerospace applications as an upgrade in performance from 4340, 300M, Maraging grades and other steels to reduce component weight or size, or to increase service life. M54 steel is currently being developed for insertion into landing gear hook shank components for the T-45 platform and and hook point components for the F-18 platform. Other aerospace applications include landing gear, rotorshafts, driveshafts, arresting tailhooks and hookshanks, actuators, armor, munitions, gun barrels, and blast-resistant or impact containment devices. Covered by AMS 6516 and MMPDS.

Ultra-high strength, corrosion resistant steel designed for structural aerospace applications to replace incumbent steels of poor corrosion resistance such as 300M, 4340 and Maraging grades. S53 steel is currently being used or evaluated for several safety critical applications, including flying as landing gear on T-38 and A-10 aircraft and as a main rotor shaft upgrade for Sikorsky's MH-60S helicopter. Other applications include driveshafts, rotorshafts, fasteners, and other highly-loaded components that can benefit from increased resistance to corrosion, corrosion fatigue and SCC resistance. Covered by AMS 5922 and MMPDS.

High-strength, highly SCC-resistant aluminum alloy that serves as an upgrade from 7050-T74 aluminum alloy. Target applications include aircraft structural frame components (e.g., wing spars) and internal components.

High-strength, low-friction, thermally stable cobalt alloy designed for critical load-bearing aerospace applications, such as bushings. Designed as a nontoxic upgrade from beryllium-containing copper alloys, such as C17200 that provide high strength but prove harmful during manufacturing due to toxic beryllium exposure.

High-strength, beryllium-free copper cast alloy designed as a nontoxic upgrade from copper-beryllium alloys. Provides higher strength over existing Be-free Cu-based alloys, and is targeted for insertion into aerospace bushing applications and other critical aerospace applications where copper-beryllium alloys are currently being used.

High-strength titanium alloy that exhibits improved ductility, incorporates lower-cost raw materials, and captures the benefits of near-net-shape casting for manufacturing. Titanium alloys with improved castability could see widespread adoption across many aerospace platforms, where the exceptional strength-to-weight and corrosion resistance properties of titanium could be combined with the reduced cost potential of near-net-shape processing.