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Physical Properties of Hafnium and Ruthenium


Physical Properties of Ruthenium and Hafnium


Physical Properties

Melting Point
2,150.00 °C   
10
2,250.00 °C   
8

Boiling Point
5,400.00 °C   
5
3,900.00 °C   
14

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Silvery White   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
5.50   
7
6.50   
5

Brinell Hardness
1,450.00 MPa   
6
2,160.00 MPa   
3

Vickers Hardness
1,520.00 MPa   
5
Not Available   

Speed of Sound
3,010.00 m/s   
27
5,970.00 m/s   
4

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

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