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Physical Properties of Niobium and Tungsten


Physical Properties of Tungsten and Niobium


Physical Properties

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

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

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Grayish White   

Luster
Metallic   
Lustrous   

Hardness
  
  

Mohs Hardness
6.00   
6
7.50   
2

Brinell Hardness
735.00 MPa   
14
2,000.00 MPa   
4

Vickers Hardness
870.00 MPa   
12
3,430.00 MPa   
1

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

Optical Properties
  
  

Reflectivity
Not Available   
62.00 %   
13

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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