Material :  Niobium plate,  Niobium sheet
Temper Condition: annealed
Chemical composition as per ASTM B393 -99 R04210
         C             0.01%max
         N             0.01%max
         O             0.025%max
         H             0.0015%max
         Zr            0.02%max
         Ta           0.3%max
         Fe           0.01%max
         Si            0.005%max
         W            0.05%max
         Ni            0.005%max
         Mo           0.02%max
         Hf            0.02%max
         Ti            0.03%max
         Al            0.005%max
Physical & Mechanical property :
         Tensile strength  125 MPa min.
         Yield strength     73 MPa min.
         Elongation          20%min
Size available :
- Niobium plate(ASTM B393 95 R04210-2)
  Thick 1.0mm up to 20mm x Width up to 650mm x Random Length

- Niobium sheet(ASTM B393 95 R04210)
  Thick 0.5mm up to 1.0mm x Width up to 650mm x Random Length

Typical size : 
         0.508mm x 508mm x 1000mm
         1.016mm x 500mm x 500mm