Niobium Wire
When selecting niobium wire, quality and reliability are key. At SIZEN, we ensure every wire meets the highest industry standards through strict quality control and precision manufacturing.
We provides high-purity niobium wire with excellent strength, corrosion resistance, and high-temperature stability. Available in 0.8mm, 1.0mm, 2.0mm, 3.0mm, and custom sizes, our niobium wire is ideal for machined parts, high-temperature furnace components, and corrosion-resistant chemical equipment.
As a trusted China supplier, we offer precision-made niobium wire tailored to your exact requirements. Contact SIZEN today for bulk orders and customized solutions!
Our Niobium Wire Specifications
Niobium Wire Information
- Material: Pure Niobium
- Standards: ASTM B392, ASTM B655/B655M
- Grade: R04200-1, R04210-2, R04251-3, R04261-4, R04295 (ASTM B655/B655M)
- Purity: Nb >99.95%, >99.99%
- Diameter: 0.254-3.15 mm
- Density: 8.57 g/cm³ @20°C
- Melting Point: 2477 °C
- Boiling Point: 4742°C
- Thermal Conductivity: 0.537 W/cm/K @ 298.2 K
- Electrical Resistivity: 12.5 microhm-cm @ 0 °C
Niobium Wire Dimensions and Tolerance
| Diameter, Inch (mm) | Tolerance, +/-Inch (mm) |
|---|---|
| 0.010-0.020 (0.254-0.508) | 0.0005 (0.013) |
| 0.020-0.030 (0.508-0.762) | 0.00075 (0.019) |
| 0.030-0.060 (0.762-1.524) | 0.001 (0.025) |
| 0.060-0.090 (1.524-2.286) | 0.0015 ( 0.038) |
| 0.090-0.125 (2.286-3.175) | 0.002 (0.051) |
Niobium Wire Mechanical Properties of Annealed Condition
| Grade | Ultimate tensile strength, min., psi (MPa) |
Yield strength, 0.2% Residual deformation, min., psi (MPa) |
Elongation in 1″ (25.4mm) Gage Length, min., ％ |
|---|---|---|---|
| RO4200-1/RO4210-2 | 18000 (125) | / | 20 |
| RO4251-3/RO4261-4 | 18000 (125) | / | 15 |
| ASTM B655/B655M | |||
|---|---|---|---|
| ASTM B655/B655M | Ultimate tensile strength, min., psi (MPa) |
Yield strength, 0.2% Residual deformation, min., psi (MPa) |
Elongation in 1″ (25.4mm) Gage Length, min., ％ |
| Diameter ≤0.050" (1.27mm) Room temperature |
56000 (385) | 40000 (275) | 20 |
| Diameter ≤0.050" (1.27mm) 2000±25℉ (1100±15℃) |
21000 (145) | 16000 (110) | 20 |
| Diameter ≥0.051" (1.27mm) Room temperature |
54000 (370) | 38000 (260) | 20 |
| Diameter ≥0.051" (1.27mm) 2000±25℉ (1100±15℃) |
21000 (145) | 16000 (110) | 20 |
Why Choose SIZEN as Your Niobium Wire Supplier?
Quality Materials
Clean, high-quality material
Customized Solutions
Tailored for specific project needs.
Rigorous Quality Control
Strict purity and specification standards.
Fewer Defects, More Efficiency
Smoother production and lower costs.
Reliable, On-Time Delivery
On-time delivery with efficient processing.
5 MAIN REASONS TO CHOOSE US
1
High-Quality Niobium Wire
We use 99.95% pure niobium, ensuring superior conductivity, corrosion resistance, and mechanical strength. Our advanced processing techniques maintain consistent quality in every batch.
2
Customized Solutions
We offer a variety of diameters, lengths, and specifications, ensuring that our niobium wire meets your unique requirements. Whether for high-temperature environments, chemical processing, or electronics, we provide tailored solutions.
3
Rigorous Quality Control
Every batch of niobium wires undergoes strict quality checks. From material purity to physical properties, we make sure each wire meets your exact specifications.
4
Fewer Defects, Higher Efficiency
We've refined our manufacturing process to minimize defects, helping you boost production efficiency and reduce costly rework. With fewer defects and more reliable quality, you get smoother production, less waste, and lower costs.
5
Reliable, On-Time Delivery
With efficient production processes and reliable logistics, we ensure your niobium wires reach you on schedule, minimizing downtime and keeping your projects on track.
Unique Properties of Niobium Wire
High Strength at Extreme Temperatures
Our niobium wire maintains its strength and stability, even in high-temperature settings, making it an excellent choice for high-heat applications like furnaces and reactors.
Outstanding Corrosion Resistance
Niobium wire resists corrosion even in aggressive environments. This makes it perfect for industries like chemical processing and aerospace, where materials are exposed to harsh conditions.
Flexibility and Ductility
Niobium wire is highly flexible and can be easily drawn into fine gauges without sacrificing strength. This makes it perfect for use in both delicate components and more robust structural parts.
Precise and Consistent
We ensure that every batch of niobium wire is made to precise specifications, maintaining consistent diameter and tensile strength for reliable, high-performance results.
Superior Purity
With a purity of up to 99.95%, our niobium wire ensures minimal impurities, offering excellent performance in even the most demanding applications.
Get a Quote for High-Purity Niobium Metal
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Manufacturing Process of Niobium Tubes
The process begins with extracting pure niobium from its ores. We use advanced chemical methods to isolate niobium, ensuring the highest purity level for the best possible performance in end-use applications.
The extracted niobium is then converted into fine metal powder through reduction techniques. This powder serves as the base material for our niobium wire, ensuring consistent quality across every batch.
The niobium powder is compacted into billets or rods in a process known as sintering. The billets are then heated in a controlled environment, causing the powder particles to bond and form a solid structure. This step improves the material's strength and prepares it for the wire drawing process.
The sintered niobium billets are then drawn into wire using advanced machinery. The wire is progressively reduced to the desired diameter, ensuring precision in every stage of production. This step also ensures that the wire maintains its strength and flexibility.
Once the wire has been drawn, it undergoes a controlled heat treatment process. This step further enhances the wire's mechanical properties, increasing its tensile strength and flexibility, and ensuring its ability to perform in high-temperature environments.
To ensure the highest surface quality, the niobium wire is polished and refined to eliminate any imperfections. This step improves the wire's appearance and durability, ensuring smooth and consistent performance.
Each batch of niobium wire is thoroughly tested and inspected to meet strict quality standards. We test for dimensions, tensile strength, and surface quality to guarantee that each wire performs reliably and consistently in demanding applications.
Once the wire passes all quality checks, it is carefully packaged to prevent any damage during transit. We ensure that each batch of niobium wire arrives in perfect condition, ready for use in your projects.
Mixing Machine
Sintering Furnace
Die Forging
Annealing Furnace
Cold Rolling Mill
Straightening Machine
CNC Deep Hole Drilling Machine
Grinding Machine
Wire Drawing Equipment
Wire Cutting Machine
Handheld XRF Analyzer
Scanning Electron Microscope
Niobium Wire Applications: Versatility Across Industries
Aerospace and Defense
In aerospace and defense, niobium wire is used in parts that must withstand extreme heat and stress, like engine components and rocket parts. Its durability and resistance to harsh conditions make it a reliable choice for high-performance applications.
Electronics and Electrical Components
Niobium wire is essential in electronics for its excellent electrical conductivity and resistance to corrosion. It's commonly used in capacitors, resistors, and inductors, where long-lasting performance and reliability are crucial.
Medical Devices
Because niobium wire is biocompatible and non-toxic, it's widely used in medical devices like pacemakers, electrodes, and implants. It offers safety and strength for products that must function reliably inside the human body over time
Chemical and Industrial Applications
Niobium wire's resistance to corrosion makes it perfect for industrial and chemical applications, especially in sensors and heating elements exposed to harsh environments. It's used in equipment that requires both durability and long-term reliability.
Nuclear Technology
Niobium wire plays a vital role in nuclear technology. It's used in reactor control rods and other parts exposed to extreme heat and radiation. Its high melting point and resistance to radiation damage ensure safety and performance in demanding environments.
Jewelry and Decorative Uses
Niobium wire is also used in the jewelry industry due to its hypoallergenic properties and ability to be anodized into vibrant colors. It's used to make unique, durable jewelry that's both safe to wear and resistant to corrosion.
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