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Physical Properties of Ruthenium and Chromium


Physical Properties of Chromium and Ruthenium


Physical Properties

Melting Point
2,250.00 °C   
8
1,857.00 °C   
14

Boiling Point
3,900.00 °C   
14
2,672.00 °C   
39

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silver   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
6.50   
5
8.50   
1

Brinell Hardness
2,160.00 MPa   
3
687.00 MPa   
16

Vickers Hardness
Not Available   
1,060.00 MPa   
10

Speed of Sound
5,970.00 m/s   
4
5,940.00 m/s   
5

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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