Sigma-Aldrich
Stainless Steel-AISI 420 alloy, Fe86.7Cr13.0C0.3
Tantalum
钽
Tetrafluoroethylene-Perfluoro(alkoxy vinyl ether)
Titanium alloy beta 3, Ti77.5Mo12Zr6Sn4.5
Titanium-aluminum-vanadium alloy, Ti90Al6V4