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Hafnium Tantalum Alloy (Hf/Ta 70/30 wt%) is a specialized refractory metal alloy that offers superior thermal resistance, high strength, and excellent corrosion resistance. This alloy is an advanced material that finds application in extreme environments where standard materials fail, such as aerospace, nuclear reactors, and high-temperature industrial processes.
Materials: Hafnium Tantalum Alloy
Composition: Hf/Ta 70/30 wt%
Size Range: ø50*50mm
Other: Size Can be Customized
Shapes: Ingot, Studs, Granules, Sheet, Plate, Rod, Bars
Composition: 70% Hafnium (Hf), 30% Tantalum (Ta) by weight
Density: ~14.6 g/cm³
Melting Point: Above 2,500°C (4,532°F)
Thermal Conductivity: ~23 W/m·K
Electrical Resistivity: ~35 μΩ·cm
Corrosion Resistance: Excellent resistance to oxidation, acids, and molten metals
Mechanical Strength: High mechanical strength and creep resistance at elevated temperatures
Extreme Heat Resistance: With a melting point above 2,500°C, this alloy is ideal for ultra-high-temperature applications.
Superior Corrosion Resistance: Resistant to aggressive chemicals, including strong acids and molten metals.
High Strength & Toughness: Maintains structural integrity under thermal stress and mechanical loads.
Good Machinability: Can be fabricated into complex shapes for custom applications.
Excellent Thermal & Electrical Properties: Ensures performance stability in extreme thermal and electrical environments.
| Name | Hafnium |
| Formula | Hf |
| Molecular Weight | 178.49 |
| Color & Form | Gray to silver solid |
| Density | 13.31 g/cc |
| Melting Point | 2,227° C |
| Boiling Point | 4,602° C |
| Solubility | Insoluble |
Hafnium Tantalum Alloy is utilized in industries where high-performance materials are required:
Jet engine components
Rocket nozzles and propulsion systems
Heat shields for re-entry vehicles
Reactor control rods
Cladding materials for nuclear fuel
High-temperature neutron shielding
Sputtering targets for thin-film deposition
High-temperature furnace components
Electrical contacts in extreme environments
Crucibles and containers for metal melting
Corrosion-resistant parts in chemical reactors
Heat exchangers and thermocouples
Hafnium’s unique combination of properties, including its high-temperature resistance, corrosion resistance, and neutron absorption capacity, makes it a valuable material in various industrial and scientific applications.
MetalsTek provides Hafnium Tantalum Alloy in various forms:
Sheets, plates, and foils
Rods and bars
Custom machined components
Sputtering targets and evaporation materials
We at MetalsTek stand at the forefront of the most advanced materials and alloys.
Industry-Leading Expertise: Over a decade of experience in refractory metals
High Purity & Quality Assurance: ISO-certified materials with strict quality control
Custom Manufacturing: Tailored solutions based on specific application needs
Competitive Pricing & Global Supply: Efficient logistics for worldwide distribution
For more information or to request a custom quote, contact us today at sales@metalstek.com or visit www.metalstek.com.