Materials Home
Pure Elements
Periodic Table
Element List
  by Name
  by Symbol
  by Atomic Number
  by Atomic Weight
Element Information
Resources
Bibliography
Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

World Pumps

Major news, innovation and real-life applications for pumps and ancillary equipment.

Laser Focus World

Semiconductors, medical equipment, lasers, optics and aviation and aerospace.

CNC Machining Design Guide

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

more free magazines
Hafnium
72
Hf
178.49
Atomic Number 72
Atomic Weight 178.49
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-2-0-2
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 13300 kg/m3 Solid  298.15 
Poisson Ratio 0.37 Solid     
Thermal Expansion Coefficient 5.900 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 3.510 W-m 298.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 2506.15 K   101325 
Boiling Temperature 4876.15 K   101325 
Critical Temperature 10400 K    
Fusion Enthalpy 152.4 J/g 101325 
Heat Capacity 144 J/kg-K 298.149993896 100000 
Thermal Conductivity 23 W/m-K 300 101325 
 
Glossary