
Niobium Products | Refractory Metal
Niobium Wire
Precision niobium wire for superconducting, electronic, medical, and industrial applications. Available in diameters from 0.05mm to 3.0mm with excellent surface finish and dimensional consistency. Our niobium wire is used for superconducting wire and cable, capacitor leads, medical sutures, jewelry, and chemical processing instrumentation. Manufactured per ASTM B392 with controlled mechanical properties and full material certification.
About Niobium Wire
Our niobium wire is precision-manufactured through multi-stage drawing with intermediate annealing to achieve exacting tolerances and superior surface quality for critical applications.
Features
- Diameter: 0.05mm - 3.0mm
- 99.9%+ purity niobium
- Precision drawn
- Excellent surface finish
- Superconducting properties
- Biocompatible for medical use
- ASTM B392 compliant
- Spool or coil packaging
- Custom diameters available
- Full material certification
Specifications
| Material | Niobium (Nb), UNS R04200 |
|---|---|
| Purity | ≥99.9% |
| Diameter | 0.05mm - 3.0mm |
| Tolerance | ±0.005mm (fine), ±0.01mm (standard) |
| Tensile Strength | 200-500 MPa |
| Elongation | 10-30% |
| Surface Finish | Bright, clean |
| Standard | ASTM B392 |
| Spool Sizes | DIN 100, 125, 160 |
| Testing | Tensile, dimensional |
Applications of Niobium Wire
Niobium Wire is widely used across multiple industries including chemical processing, aerospace, electronics, medical, nuclear, and semiconductor manufacturing. The exceptional properties of niobium wire make it indispensable for applications requiring corrosion resistance, high-temperature stability, and material purity. Our niobium wire products serve leading companies worldwide in these demanding industries, delivering reliable performance and long service life in the most challenging environments.
Frequently Asked Questions about Niobium Wire
Q: What is niobium wire used for?
A: Niobium wire is used in superconducting wire/cable, capacitor anode leads, medical sutures, jewelry, chemical instrumentation, and vacuum furnace heating elements.
Q: Can niobium wire be used for jewelry?
A: Yes, niobium wire is popular for jewelry, especially wedding rings and earrings. It can be anodized to produce vibrant colors and is hypoallergenic.
Q: What temper options are available?
A: We offer annealed (soft), half-hard, and hard temper niobium wire for different application requirements.
Q: Is niobium wire biocompatible?
A: Yes, niobium is biocompatible and non-toxic, making it suitable for medical sutures and implantable device components.


