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Niobium
41
Nb
92.9064
Atomic Number 41
Atomic Weight 92.9064
Electron Config. 2-2-6-2-6-10-2-6-4-0-1
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 8570 kg/m3 Solid  298.15 
Poisson Ratio 0.4 Solid     
Thermal Expansion Coefficient 7.300 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.250 W-m 273.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 2750.15 K   101325 
Boiling Temperature 5017.15 K   101325 
Critical Temperature 12500 K    
Fusion Enthalpy 323 J/g 101325 
Heat Capacity 265 J/kg-K 298.149993896 100000 
Thermal Conductivity 53.7 W/m-K 300 101325 
 
Glossary
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.