At Namo Alloy, we supply premium-grade Tantalum Sheets, Wires, and Bars, essential for industries requiring extreme chemical stability. Tantalum is a refractory metal renowned for its complete immunity to most acids at temperatures below 150°C, making it a critical material for chemical heat exchangers and liners. Its high dielectric constant makes our Tantalum Wires the industry standard for high-reliability capacitors in smartphones and aerospace electronics. Furthermore, Tantalum's total biocompatibility ensures our Round Bars are the preferred choice for surgical implants and prosthetic devices. Every product in our inventory is 100% mill-certified to ASTM B708 (Sheets), B365 (Bars), and B366 (Wires), ensuring maximum purity and peak performance in vacuum furnaces and high-tech manufacturing.
| Grade | Ta (Tantalum) | Nb (Niobium) | Fe (Iron) | O (Oxygen) | C (Carbon) | N (Nitrogen) | H (Hydrogen) | W (Tungsten) |
|---|---|---|---|---|---|---|---|---|
| ASTM RO5200 (Pure) | 99.95% Min | 0.01% Max | 0.01% Max | 0.015% Max | 0.01% Max | 0.01% Max | 0.0015% Max | 0.01% Max |
| Ta-10W Alloy | Balance | 0.05% Max | 0.01% Max | 0.02% Max | 0.01% Max | 0.01% Max | 0.0015% Max | 9.0 - 11.0% |
| Grade / Form | Tensile Strength (MPa) min. | Yield Strength (MPa) min. | Elongation (%) min. | Density (g/cm³) | Melting Point (°C) | Thermal Conductivity |
|---|---|---|---|---|---|---|
| RO5200 (Annealed) | 205 MPa | 140 MPa | 25 - 30% | 16.6 | 2,996°C | 54.4 W/(m·K) |
| Ta-10W (High Temp) | 485 MPa | 380 MPa | 15% | 16.8 | 3,030°C | 48.0 W/(m·K) |
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ASTM B708, RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W) |
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0.05mm to 5mm (Sheets) | 5mm to 50mm (Plates) |
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Width: Up to 1000mm | Length: Up to 3000mm (Custom foils available) |
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Surface Finish
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Cold Rolled, Bright Annealed, Polished, Pickled |
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ASTM B365, Grade RO5200 (CP), RO5252 |
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0.1mm to 3.0mm (Fine Wires for Electronics/Capacitors) |
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Form
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Coils, Spools, Straightened Cut Lengths |
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Application Purity
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Capacitor Grade (99.99%), Chemical Grade (99.95%) |
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ASTM B365, ASME SB365 |
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Size Range
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Diameter: 3mm to 150mm | Square: 10mm to 100mm |
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Condition
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Annealed (Soft), Unannealed (Hard), Centerless Ground, Peeled |
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100% PMI, Ultrasonic Flaw Detection, Chemical Analysis Report |
Refractory Metal Handling: All Tantalum products are high-purity vacuum-melted materials. We ensure anti-scratch protective packaging to maintain the integrity of the oxide layer, which is crucial for corrosion resistance.
Namo Alloy is a leading stockist and global exporter of premium Stainless Steel, Carbon Steel, and High Nickel Alloys.
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