Molybdenum and TZM Round Bar High-temperature molybdenum and TZM round bar available in various sizes and lengths. Ideal for vacuum furnace, heat treat, and other high-temperature applications, as well as custom machined parts and fixtures. Cut to Length: Contact Us if you need any of the products cut to a specific length. Pure Molybdenum: Excellent high-temperature strength and corrosion resistance. TZM Alloy: A titanium-zirconium-molybdenum alloy offering greater strength and creep resistance at elevated temperatures. Commonly used for Custom Machined Parts, and Fixtures. If you require custom sizes or specifications, please contact us.