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Physical Properties of Tungsten and Niobium


Physical Properties of Niobium and Tungsten


Physical Properties

Melting Point
3,410.00 °C   
1
2,468.00 °C   
6

Boiling Point
5,660.00 °C   
1
2,468.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Grayish White   
Gray   

Luster
Lustrous   
Metallic   

Hardness
  
  

Mohs Hardness
7.50   
2
6.00   
6

Brinell Hardness
2,000.00 MPa   
4
735.00 MPa   
14

Vickers Hardness
3,430.00 MPa   
1
870.00 MPa   
12

Speed of Sound
4,620.00 m/s   
16
3,480.00 m/s   
21

Optical Properties
  
  

Reflectivity
62.00 %   
13
Not Available   

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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