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Physical Properties of Rhenium and Chromium


Physical Properties of Chromium and Rhenium


Physical Properties

Melting Point
3,180.00 °C   
2
1,857.00 °C   
14

Boiling Point
5,627.00 °C   
2
2,672.00 °C   
39

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silver   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
7.00   
3
8.50   
1

Brinell Hardness
1,320.00 MPa   
8
687.00 MPa   
16

Vickers Hardness
1,350.00 MPa   
7
1,060.00 MPa   
10

Speed of Sound
4,700.00 m/s   
15
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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