Nb-10 Hf-1 Ti
Nb-10 Hf-1 Ti is probably the best all-around alloy on the market today, has a useful range of 1800-2400° F with good strength. Its combination of strength, excellent fabricability, and intermediate cost has made it a favorite choice of the aerospace industry.
This Niobium-Hafnium-Titanium alloy satisfies most rocket engine applications for temperatures up to 2700°F because of superior mechanical properties at all temperatures.