Description
Proven Niobium Rod 99.95% – ASTM Standard High Purity Nb Metal Bar
🔷 Introduction to Pure Niobium Rod
The Pure Niobium Rod has established itself as an essential material in cutting-edge industries such as aerospace, electronics, chemical processing, and advanced medical technologies. Manufactured with a minimum purity of 99.95%, this High Purity Niobium Rod provides unparalleled corrosion resistance, mechanical reliability, and stability under extreme conditions.
Niobium (chemical symbol Nb) is a refractory metal with atomic number 41. In its rod form, Nb Rod combines high ductility, corrosion resistance, and thermal stability. Thanks to its remarkable performance, the Niobium Metal Rod is a crucial material for researchers, engineers, and industrial manufacturers worldwide.
🧪 Key Advantages of Niobium Rod 99.95% Purity
-
🔹 Ultra High Purity (99.95%) – Ensures minimal impurities, resulting in consistent performance.
-
🔹 ASTM Standard Compliance – Certified production processes that align with ASTM specifications for high-purity refractory metals.
-
🔹 Excellent Corrosion Resistance – Resistant to hydrochloric acid, sulfuric acid, nitric acid, and alkaline solutions.
-
🔹 Outstanding Mechanical Properties – Maintains strength even above 2000 °C.
-
🔹 Superior Thermal Conductivity – Efficient heat transfer for high-temperature applications.
-
🔹 Versatile Fabrication – Easily machined, forged, and welded into complex parts.
-
🔹 Customizable Sizes – Available in diameters ranging from 3 mm to 120 mm, with lengths up to 3000 mm.
⚙️ Technical Specifications of High Purity Niobium Rod
📊 Physical & Mechanical Properties
| Property | Value / Range |
|---|---|
| Purity | ≥99.95% Nb |
| Density | 8.57 g/cm³ |
| Melting Point | 2468 °C (4474 °F) |
| Boiling Point | 4744 °C (8571 °F) |
| Thermal Conductivity | 54 W/m·K |
| Electrical Resistivity (20°C) | ~15 µΩ·cm |
| Tensile Strength (annealed) | ~105 MPa |
| Yield Strength (annealed) | ~75 MPa |
| Hardness (HV) | 90–110 |
| Available Diameters | 3–120 mm (custom sizes) |
| Available Lengths | 50–3000 mm (custom sizes) |
🚀 Applications of Pure Niobium Rod
🔷 Aerospace & Defense
The aerospace industry benefits from High Purity Niobium Rod due to its exceptional high-temperature strength and ability to withstand thermal cycling. Applications include:
-
Rocket engine components
-
Jet turbine blades
-
Heat shielding and thermal barrier structures
🧪 Electronics & Superconductors
-
Used in capacitors, resistors, and superconducting magnets.
-
Nb Rod is essential in the fabrication of superconducting alloys for advanced magnetic resonance imaging (MRI) machines.
-
Research institutions rely on Niobium Metal Rod for experimental superconductivity projects.
⚙️ Chemical Processing
-
Ideal for pumps, valves, heat exchangers, and reactors exposed to aggressive chemical environments.
-
Its corrosion resistance ensures long service life, reducing maintenance costs.
💡 Medical Industry
-
Biocompatible and hypoallergenic, Niobium Rod 99.95% Purity is used in surgical instruments and implants.
-
Safe for human tissue, making it a preferred material in biomedical engineering.
🌐 Research & Development
-
Essential for laboratories studying new superconducting materials.
-
Used in fusion energy experiments and advanced particle accelerators.
At the same time, for projects requiring flat geometries instead of cylindrical forms, we also supply the Premium Niobium Plate 99.95% – High Purity Sheet for Vacuum Furnace & Lab Use, which complements the versatility of the Pure Niobium Rod.
🛠️ Production & Processing of Niobium Rod
Manufacturing a Pure Niobium Rod requires advanced metallurgical processes:
-
Powder Metallurgy Refining – Ultra-fine niobium powders are consolidated into rods.
-
Vacuum Melting – Ensures high-purity material free from contaminants.
-
Hot Forging and Rolling – Improves mechanical properties and grain structure.
-
Annealing Treatments – Optimize ductility and stress relief.
-
Precision Machining – Custom sizes are produced with tolerances as tight as ±0.01 mm.
This strict production process guarantees that the High Purity Niobium Rod meets ASTM requirements and performs reliably in critical industries.
📦 Packaging & Export Guidelines
-
✅ Each Niobium Metal Rod is packed in vacuum-sealed bags or anti-rust protective films.
-
✅ Foam-lined cartons and wooden cases ensure safe long-distance shipping.
-
✅ For rods with outer diameter >75 mm, export may require a dual-use export license. The approval time is typically around 30 days.
-
✅ Full Material Test Reports (MTRs) and Certificates of Analysis (COA) are included with every shipment.
🌍 Compliance & Certification
The Niobium Rod 99.95% Purity complies with multiple international standards:
-
ASTM B392 (Niobium and Niobium Alloy Rods & Bars)
-
ISO-certified manufacturing facilities
-
REACH & RoHS compliance for environmental safety
For international buyers, our team assists with documentation, customs clearance, and export control compliance, ensuring a seamless supply chain.
🔍 Comparison with Other Refractory Metal Rods
| Metal | Density (g/cm³) | Melting Point (°C) | Corrosion Resistance | Typical Use Case |
|---|---|---|---|---|
| Niobium | 8.57 | 2468 | Excellent | Aerospace, Medical, Electronics |
| Tantalum | 16.65 | 3017 | Superior | Capacitors, Chemical Processing |
| Molybdenum | 10.28 | 2623 | Moderate | Furnace Components, Tooling |
| Tungsten | 19.25 | 3422 | High | Radiation Shields, Aerospace |
This comparison highlights why Pure Niobium Rod is often selected over heavier metals like tungsten or more expensive alternatives like tantalum.
📑 Customization Services
We provide tailor-made solutions for different industries:
-
Cutting, grinding, and polishing services.
-
Custom diameters and lengths according to client needs.
-
Prototype production for R&D labs.
-
Bulk supply for aerospace and industrial manufacturing.
Our engineering team ensures every Nb Rod is optimized for your unique application.
🌐 Additional Resources
📖 Learn more about refractory metals: Niobium Properties – AZO Materials
📖 Explore the role of niobium in superconductivity: Superconducting Materials – ScienceDirect
🔗 Related Products on Our Website:
📞 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 today for pricing, samples, and technical consultation — we respond within 24 hours.












Reviews
There are no reviews yet.