Niobium Products | Refractory Metal
Niobium Bar
High-quality niobium bar stock for machining, forging, and structural applications. Available in round, square, and rectangular cross-sections with dimensions from 5mm to 200mm. Our niobium bars are manufactured through forging and rolling from vacuum arc melted ingots, providing excellent machinability and consistent mechanical properties. Used for fasteners, electrodes, structural components, and starting material for machined parts. ASTM B392 compliant with full certification.
About Niobium Bar
Our niobium bar products provide reliable starting material for machining, forging, and structural applications across multiple industries.
Features
- Round, square, rectangular sections
- Dimensions: 5mm - 200mm
- 99.9%+ purity niobium
- Forged and rolled
- Excellent machinability
- ASTM B392 compliant
- Custom lengths available
- Full material certification
- Consistent mechanical properties
- Available from stock
Specifications
| Material | Niobium (Nb), UNS R04200 |
|---|---|
| Purity | ≥99.9% |
| Cross-sections | Round, square, rectangular |
| Size Range | 5mm - 200mm |
| Length | Random or cut-to-size |
| Standard | ASTM B392 |
| Surface Finish | As-rolled, ground, machined |
| Tensile Strength | ≥125 MPa |
| Elongation | ≥25% |
| Testing | Chemical, mechanical, UT |
Applications of Niobium Bar
Niobium Bar is widely used across multiple industries including chemical processing, aerospace, electronics, medical, nuclear, and semiconductor manufacturing. The exceptional properties of niobium bar make it indispensable for applications requiring corrosion resistance, high-temperature stability, and material purity. Our niobium bar 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 Bar
Q: What cross-sections are available for niobium bar?
A: We supply round, square, and rectangular niobium bars in sizes from 5mm to 200mm.
Q: Can niobium bar be machined into parts?
A: Yes, niobium bar is excellent starting material for CNC machined components. It machines similarly to copper with appropriate tooling.
Q: What is the standard length?
A: Standard random lengths are 1000-3000mm. We also offer cut-to-length service with tight tolerances.
