Advanced Tantalum Wire 99.95% – ASTM B365, High-Temp & Anti-Corrosion

Description

Advanced Tantalum Wire 99.95% – ASTM B365 Certified, High-Temperature & Corrosion Resistant

Overview

Tantalum wire is a highly specialized refractory metal product renowned for its superior corrosion resistance, extraordinary thermal stability, and exceptional electrical properties. Manufactured from 99.95% pure tantalum, this wire is produced in strict accordance with the ASTM B365 standard and is suitable for a wide variety of high-performance applications.

As a leading supplier of precision-drawn tantalum wire, we offer custom diameters, surface finishes, and wire forms—including coils, spools, and cut-to-length sections—to meet the diverse needs of aerospace, medical, semiconductor, and high-temperature vacuum industries.

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Chemical Composition (Typical, wt%)

All materials are tested using ICP-OES, LECO, and GDMS methods, ensuring complete control over trace elements and compliance with strict industry requirements. COA (Certificate of Analysis) provided with every shipment.

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Technical Specifications

• Standard: ASTM B365 (Rod and Wire form)

• Purity: ≥99.95% (High Purity Grade R05200 or Electron-Beam Melted R05400)

• Density: 16.65 g/cm³

• Melting Point: 3017°C

• Boiling Point: 5458°C

• Electrical Resistivity: ~13.5 µΩ·cm at 20°C

• Thermal Conductivity: 57 W/m·K

• Modulus of Elasticity: 186 GPa

• Tensile Strength (Annealed): ≥200 MPa

• Tensile Strength (Cold-worked): ≥600 MPa

• Elongation (Annealed): ≥30%

• Diameter Range: 0.1 mm to 3.0 mm (Other sizes upon request)

• Surface Finish: Bright, Cleaned, Chemically Polished, or Black Annealed

• Packing: Vacuum-sealed with anti-static protection, inert-gas available

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Advantages of Tantalum Wire

• ✅ Unmatched Corrosion Resistance
  Tantalum wire resists almost all acids at room temperature, including hydrochloric, nitric, and sulfuric acids. This makes it ideal for use in aggressive chemical processing environments.

• ✅ High Melting Point
  With a melting point of over 3000°C, tantalum wire remains structurally stable in high-temperature applications such as vacuum furnaces and aerospace propulsion systems.

• ✅ Excellent Biocompatibility
  Tantalum is inert inside the human body and widely used for surgical implants, dental pins, and bone repair components.

• ✅ Superior Electrical Conductivity
  Its low resistivity makes it perfect for capacitors, thermocouples, and specialized electronic leads.

• ✅ Reliable Mechanical Performance
  Tantalum wire can be cold-drawn into very fine diameters while maintaining ductility and high tensile strength.

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Applications of Tantalum Wire

• Vacuum and High-Temperature Furnaces
  Used in heating elements, hooks, crucible suspensions, and shielding for ultra-high vacuum systems.

• Semiconductor & Thin Film Deposition
  Tantalum wire is employed in sputtering targets, evaporation boats, and getters for high-purity vacuum deposition processes.

• Medical & Biological Implants
  Utilized for vascular stents, orthopedic pins, pacemaker leads, and reconstructive surgery elements.

• Capacitor Manufacturing
  A critical material for the production of tantalum capacitors due to its dielectric properties and thermal stability.

• Chemical Industry
  Tantalum wire is used in anodes, cathodes, and thermowells exposed to highly corrosive fluids and gases.

• Additive Manufacturing (3D Printing)
  Applied as a wire feedstock in electron beam melting and laser metal deposition for high-performance component prototyping.

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Customization & Machining

We offer full customization based on your engineering drawings or process specifications, including:

• Wire straightening

• Precision cut lengths

• Micro-coiling

• Fine wire spooling

• Diameter tolerance ≤ ±0.01 mm

Our in-house machining and QA teams ensure each order is delivered with tight dimensional control and surface consistency.

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Quality Control & Documentation

Each batch of tantalum wire undergoes:

• Full traceability to raw material origin

• Dimensional and mechanical inspection

• Purity and gas content testing (optional)

• Third-party certification upon request

• Compliance with ISO 9001 and ASTM B365 standards

COA, MSDS, and RoHS documentation are included as standard with every shipment.

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Packaging & Delivery

• Form: Coils, Spools, or Straight Rods

• MOQ: No minimum for in-stock sizes

• Packing: Double-sealed vacuum bags or inert gas (argon) on request

• Lead Time: 7–10 days (standard), 15–20 days (custom)

Global delivery via FedEx/DHL/UPS with export documentation and HS Code compliance.

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Why Choose Our Tantalum Wire?

With decades of expertise in refractory metal production and export, we supply critical materials to clients across:

• Aerospace manufacturers

• Semiconductor labs

• University research centers

• Military R&D

• Medical OEMs

We are known for fast response, competitive pricing, and consistent technical support.

Tantalum is also highly regarded for its biocompatibility, making it ideal for surgical implants and pacemaker components as documented by NCBI.

In the electronics sector, tantalum wire is commonly drawn into leads for tantalum capacitors, which offer superior energy density and stability (Electronics Notes).

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📞 Contact Us

📧 Email: sales@niticu.com
📞 Phone / WhatsApp / WeChat: +86 13335373172
🏭 Factory: Baotai Road Industrial Park, High-tech Zone, Baoji City, Shaanxi, China
🌐 Website: https://niticu.com

📩 Contact us now for pricing, samples, and expert technical support — we respond within 24 hours.