Niobium and Niobium Alloys


Products We Make

With Niobium and Niobium Alloys

Cups, Crucibles, Cans

Related Metals

To Niobium

Molybdenum, Tantalum

Often used for aerospace applications, niobium is a very fabricable metal that is ductile at room temperature, but strong at high temperatures. It is relatively light weight, has good corrosion resistance and a unique resistance to radiation damage. Niobium is also a superconductor material.


Name: Niobium
Symbol: Nb
Atomic Number: 41
Atomic Weight: 92.9064
Density: 8.58 g/cm3
Standard State: Solid

Group in Periodic Table: 5
Period in Periodic Table: 5
Block in Periodic Table: d
CAS Registry ID: 7440-03-1

Physical Properties

Thermal Properties

Melting Point: 2468 °C
Boiling Point: 4927 °C

Electrical Properties

Electrical Conductivity: Volumetric At 18 °C: 13.2% IACS
Electrical Resistivity: Temperature coefficient, 0 - 600 °C; 0.395 nΩ . m per K

Magnetic Properties

Magnetic Susceptibility: Volume: at 25 °C: 28 x10-6 mks

Optical Properties

Refractive Index: 1.80
Spectral Emittance:: A = 650 nm

Nuclear Properties

Thermal Neutron Cross Section: At 2200 m/s: 1.1 b

Chemical Properties

General Corrosion Behavior: Niobium is highly resistant to corrosion with notable exceptions being dilute strong alkalis, hot concentrated mineral acids and hydrofluoric acid

Mechanical Properties

Wrought: Tensile strength, 585 MPa: elongation, 5%
Annealed: Tensile strength, 275 MPa yield strength, 207 MPa; elongation, 30% reduction in area, 80%

About Standard Die

Standard Die is a precision metal stamper specializing in small parts made from thin grade specialty metals. Mastering refractory metals like tantalum and titanium and common materials like copper and steel, we pride ourselves in delivering the highest quality product with the best customer service in the industry.
Our metal stampings are of the highest quality, and our deep drawn and forming capabilities are among the best in the industry. We specialize in drawing small cups, cans, cones, crucibles and more, yet we are fully capable of forming brackets, rivets, clips, terminals and more.