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Physical Properties of Tungsten and Cobalt


Physical Properties of Cobalt and Tungsten


Physical Properties

Melting Point
3,410.00 °C   
1
1,495.00 °C   
29

Boiling Point
5,660.00 °C   
1
2,870.00 °C   
34

Appearance
  
  

Physical State
Solid   
Solid   

Color
Grayish White   
Gray   

Luster
Lustrous   
Metallic   

Hardness
  
  

Mohs Hardness
7.50   
2
5.00   
8

Brinell Hardness
2,000.00 MPa   
4
470.00 MPa   
26

Vickers Hardness
3,430.00 MPa   
1
1,043.00 MPa   
11

Speed of Sound
4,620.00 m/s   
16
4,720.00 m/s   
14

Optical Properties
  
  

Reflectivity
62.00 %   
13
67.00 %   
11

Allotropes
No   
Yes   

α Allotropes
Not Available   
α-Cobalt   

β Allotropes
Not Available   
β-Cobalt   

γ Allotropes
Not Available   
Not Available   

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