Niobium Sheet & Niobium Plate

Available in various shapes and sizes – inquire for more information.

Lead Time

Minimum Order Qty

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We provide niobium rolling product with thickness 0.03mm to 10mm.

Rolling niobium products: niobium sheet, niobium plate (niobium board), niobium foil, niobium strip & niobium ribbon.

  • Material: R04200-1, R04210-2, 99.9% pure
  • Specification: As per ASTM B393-05


Size for niobium rolling products: (please inquire for availability)

Item Thickness (mm) Width (mm) Length (mm)
Niobium Foil & Strip 0.03-0.09 30-300 >50
Niobium Sheet 0.1-0.5 30-800 30-2000
Niobium Plate 0.5-10 50-1000 50-3000


Standard Specification ASTM B 393-05 for niobium and niobium ribbon, Strip, Foil, Foil, Sheet, Plate.


This specification covers five grades of wrought ribbon, Strip, Foil, Foil, Sheet, Plate as follows:

  1. ASTM B 393-05 UNS R04200 -Type 1, Reactor grade unalloyed niobium;
  2. ASTM B 393-05 UNS R04210 -Type 2, Commercial grade unalloyed niobium;
  3. ASTM B 393-05 UNS R04251 -Type 3, Reactor grade niobium alloy containing 1% zirconium;
  4. ASTM B 393-05 UNS R04261 -Type 4, Commercial grade niobium alloy containing 1% zirconium;
  5. ASTM B 393-05 UNS R0xxxx -Type 5, Residual Resistivity Ratio(RRR) grade pure niobium.

RRR values: guaranteed min. RRR 260 *,
* The Residual Resistivity Ratio RRR is defined as the ratio of electrical resistivity at 295K to electrical resistivity at 4,2K.


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