Niobium Foil & Strip

Niobium foil has become an indispensable material across advanced technological fields due to its unique combination of properties. In deep drawing applications for capacitor manufacturing, premium niobium foil is precision-engineered to produce high-purity niobium cups for electrolytic capacitors, offering exceptional formability with minimal springback (typically <5%) and maintaining tight thickness tolerances of ±0.01mm. The material's outstanding ductility allows for complex deep drawn geometries in electronic components while ensuring structural integrity.

For superconducting radio frequency (SRF) cavity production, ultra-high purity (99.99%+) niobium foil is the material of choice in particle accelerators and nuclear magnetic resonance systems. The foil's superior residual resistivity ratio (RRR >300) and Meissner effect performance at cryogenic temperatures (critical temperature Tc = 9.2K) make it ideal for superconducting magnet windings and quantum computing components. Recent advances in high-Q factor SRF cavity fabrication have further increased demand for low interstitial niobium foil with controlled grain structure.

In physical vapor deposition (PVD) systems, niobium strip AMS 7851 serves as a premium sputtering target material for thin-film applications. Its high melting point (2468°C ±10°C) and low outgassing characteristics make it particularly suitable for semiconductor barrier layer deposition and optical coating applications. The material's excellent lattice matching with common substrate materials enables the growth of high-quality epitaxial films for 3D NAND memory devices and advanced logic chips.

The aerospace sector utilizes ASTM B393 grade niobium foil in hypersonic vehicle thermal protection systems and ion thruster components for satellites. The material's specific strength at elevated temperatures (maintaining >80% of room temperature strength at 1000°C) and oxidation resistance make it valuable for rocket engine combustion chambers and reentry vehicle leading edges.

Medical applications benefit from niobium foil's ISO 5832-11 compliance for implantable devices. The material's biocompatibility and MRI compatibility make it ideal for bone fixation meshes and neural electrode arrays. Recent developments in additively manufactured porous niobium implants have opened new possibilities in osseointegration applications.

The jewelry industry has adopted anodized niobium foil AMS 7852 for its vibrant interference colors and nickel-free hypoallergenic properties. Advanced pulse anodizing techniques can produce precise color gradients on jewelry-grade niobium sheet, enabling unique designer creations. The material's Vickers hardness of 80-100 provides excellent wear resistance for long-lasting jewelry pieces.

For technical specifications or application consultation, our materials engineering team provides comprehensive support to help select the optimal niobium strip solution for your specific requirements, whether for large-scale industrial deployment or precision research applications.

In addition to Niobium Foil, we also produce Niobium Tube & Pipe, Niobium Sheet & Plate, Niobium Ingot, Niobium Pellets, Niobium Strip, Niobium Rod, Niobium Wire, Niobium Disc, Niobium Shield, Niobium Target, Niobium machined parts, Niobium Spherical Powder. They meet Standard ASTM B 394 R04200, ASTM B 394 R04210, ASTM B 393 R04200, ASTM B 393 R04210, ASTM B 392 R04200, ASTM B 392 R04210, ASTM B 391 R04200, ASTM B 391 R04210.