Niobium is an associated metal of tantalum ,characterized in high strength ,high conductivity ,resistance to corrosion by liquid base metals ,section with low neutron capture ,etc ,widely used for steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology.

Table.1.Chemical composition:

Niobium is an associated metal of tantalum ,characterized in high strength ,high conductivity ,resistance to corrosion by liquid base metals ,section with low neutron capture ,etc ,widely used for steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology.

  Niobium rods (ASTM B392-95)
3mm up to 120mm Diameter x random length.
- Niobium wires (ASTM B 392-95)
0. 3mm up to 3. 0mm Diameter x R / L in coil
- Niobium 1% Zirconium wires (Nb-1Zr, Niobium alloy wires)
0. 3mm up to 3. 0mm Diameter x R / L in coil
- Niobium plates (ASTM B393-95 R04210)
Thick 0. 1 up to 20mm x Width up to 1000mm x Length
 Niobium sheets (ASTM B393-95 R04210)
  Niobium foils (ASTM B393 )
Thick 0. 05 up to 0. 08mm x Width 5-130mm x Length
- Niobium seamless tubes (ASTM B394-98)