Tantalum alloy wire Pure tantalum wire

Tantalum Wire for High-Performance Applications: Premium Quality, Versatile Use Cases Tantalum wire stands as a cornerstone material in advanced engineering and medical technologies, offering exceptional resistance to corrosion, high melting point, and superior electrical conductivity. Manufactured using vacuum electron beam melting or powder metallurgy techniques, our tantalum wire ensures consistent purity and mechanical integrity—ideal for demanding industrial environments. Whether you're sourcing capacitor-grade wire for electronics or specialized alloy wire for aerospace components, our product line meets global standards such as ASTM B365 and AWS A5.16 with precision-engineered diameters ranging from 0.1mm to 4mm. Key Features Our tantalum wire is distinguished by its smooth surface finish, absence of cracks or burrs, and uniform metallurgical structure. Through proprietary rolling, stretching, and controlled annealing processes, we guarantee excellent tensile strength (up to 1250 MPa), ductility (10–30%), and bending resistance—critical for applications requiring fatigue resilience. Each batch undergoes rigorous inspection under 25x magnification to ensure no continuous dents or scratches, meeting the highest quality benchmarks in the industry. Available in hard, semi-hard, and mild tempers, our wire supports both straight and coiled configurations tailored to specific manufacturing needs. Detailed Description Produced from high-purity tantalum bars, the manufacturing process begins with thorough cleaning to eliminate oil residues and surface contaminants, followed by precise cold working and multiple heat treatments. This methodical approach ensures dimensional accuracy within ±0.05mm tolerance, making it suitable for microfabrication and precision instrumentation. Alloy variants like TaNb3, TaNb20, TaNb40, and Ta2.5W provide enhanced performance in extreme conditions—such as elevated temperatures or corrosive atmospheres—while maintaining compatibility with existing fabrication systems. The wire’s low oxidation brittleness (as low as 3 bends for thin gauges) further enhances reliability in critical applications. Applications Across Industries Capacitor-grade tantalum wire is widely used in producing anodes for tantalum electrolytic capacitors—accounting for approximately 65% of global tantalum consumption due to their compact size, high capacitance, and stability. In biomedical fields, it serves as suture material for nerve repair, tendon grafts, and vascular stent production, leveraging its biocompatibility and inertness. For industrial use, the wire functions as heating elements in vacuum furnaces and electron emitters in ion sputtering systems, where thermal and electrical consistency are paramount. Additionally, tantalum alloy wires support aerospace structures, chemical processing equipment, and nuclear reactors thanks to their robustness under stress and temperature extremes. Customer Feedback Users across Europe, North America, and Asia commend our tantalum wire for its reliability in semiconductor packaging, where even minor defects can compromise device functionality. Medical device manufacturers highlight its seamless integration into implantable devices, while engineers in high-tech manufacturing appreciate the consistent mechanical properties that reduce post-processing rework. Many clients note significant improvements in yield rates when switching to our wire compared to alternatives from other suppliers. Frequently Asked Questions What makes your tantalum wire different from others? Our unique combination of vacuum electron beam melting and powder metallurgy allows us to tailor purity levels and alloy compositions precisely, ensuring superior mechanical and electrochemical performance. Can I get custom diameters or lengths? Yes, we offer customization between 0.1mm and 4mm diameter, with straight lengths from 300mm to 3000mm and coil spools up to 300mm in width. Is this wire suitable for high-temperature environments? Absolutely—it maintains structural integrity up to 2500°C in vacuum or inert gas settings, making it ideal for furnace components and plasma applications. How do you ensure quality control? Every piece is inspected visually under magnification, tested for mechanical properties, and verified against international specifications including ASTM B365, AMS 4951, and ISO 17857.