Niobium Properties

niobium mechanical physical properties specifications chemistryNiobium is a refractory metal with properties that are applicable for fabricated parts.  The tables below contain the physical, mechanical, chemistry and specifications for evaluating Niobium for use in your next application.  Niobium can be bent, spun, deep drawn and formed at room temperatures up to its maximum work hardening.

For a Niobium data sheet, or any other Refractory Metals & Alloys data sheets, please go to our Alloys and Metals Literature Library section.

Contact the sales team at Ed Fagan Inc. with your inquiries.

Niobium Physical Properties 
Densitylb/in30.31
gm/cm38.57
Melting Point°F4380
°C2415
Specific HeatCal/gm/°C0.065
Coefficient of Linear Thermal Expansion10-6 (°F) -14.00
10-6 (°C) -17.10
Electrical ResistivityMicrohms-cm13.10
Recrystalization Temp.°C800
Niobium Mechanical Properties 
Tensile StrengthKSI (MPa)-RT40 (275)
KSI (MPa)-500°C30 (205)
KSI (MPa)-1000°C10 (70)
Elongation% in 1.0"30
Typical HardnessHV10130
Modules of ElasticityKSI15250
GPa105
Niobium Chemistry
Minimum % 99.6
Niobium Specifications  
ASTM B392
ASTM B393
AMS 7850CAS 7440-03-01UNS R04210

For additional information on specifications of the materials distributed by Ed Fagan Inc., please visit the websites of the international standards organizations that develops and publishes technical standards, ASTM International and ASM International.

Ed Fagan Inc. is the leading supplier of refractory metals since 1965.  We supply, regardless of size, all industries that use our special purpose metals and alloys in their applications.