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:

Niobium Plate – High Purity Nb Sheet for Industrial Applications
Molybdenum Rod – High Strength Refractory Metal Bar

📞 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.