Niobium Rod & Bar

High-Performance Niobium Bars are Essential Material for Advanced Technological Applications.

Pure niobium bars, with exceptional purity levels of 99.95% to 99.99%, represent a critical material solution for cutting-edge scientific and industrial applications. These precision-engineered rods serve as fundamental components in superconducting technologies, particularly for manufacturing MRI system magnets where their superior conductivity and thermal properties ensure optimal imaging performance. The nuclear energy sector utilizes niobium bars in fusion reactor components, especially when alloyed with titanium (NbTi) for projects where their stability under extreme conditions is paramount.

In particle accelerator systems, SRF cavity-grade niobium bars demonstrate remarkable performance, meeting the rigorous demands of facilities. The Nb rod's high critical temperature (Tc = 9.2K) and exceptional critical magnetic field (Hc) properties make it equally valuable for emerging quantum computing technologies. Research-grade Nb bars with Residual Resistivity Ratio (RRR) values exceeding 300 ensure minimal electron scattering for sensitive cryogenic applications.

The exceptional high-temperature resistance of niobium bars (withstanding environments up to 2000°C) makes them ideal for industrial thermal processing equipment. Manufacturers rely on these niobium rods for vacuum furnace heating elements, high-temperature reactor cores, and corrosion-resistant structural components in aggressive chemical environments. Stability of niobium bars in ultra-high vacuum (UHV) conditions further qualifies them for specialized thermocouple protection sheaths and other critical instrumentation applications.

Research laboratories worldwide specify niobium bars for precision equipment components, including cryogenic sample holders, thin-film deposition system parts, and UHV system fixtures. The β-phase stabilized versions maintain structural integrity even under repeated thermal cycling, a crucial factor for experimental consistency. Electronic applications benefit from the niobium rod's combination of electrical properties and corrosion resistance, particularly in high-capacity capacitor electrodes and semiconductor sputtering targets.

Available in diameters from 5mm to 150mm and lengths up to 3000mm (with custom sizing available), niobium bars meet stringent ASTM B392 standards. Multiple surface finish options - including turned, polished, and as-drawn - accommodate various application requirements. Special processing techniques like electron beam welding (EBW) ensure optimal performance for the most demanding superconducting and high-temperature applications across aerospace, energy, and advanced research sectors.

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

In addition to Niobium Rod&Bar, we also produce Niobium Tube & Pipe, Niobium Sheet & Plate, Niobium Foil & Strip, Niobium Ingot, Niobium Pellets, 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.