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Physical Properties of Tungsten and Tantalum

Tungsten
Tantalum
Physical Properties of Tantalum and Tungsten


Physical Properties
Melting Point
3,410.00 °C   
1
2,996.00 °C   
4
Boiling Point
5,660.00 °C   
1
5,425.00 °C   
4
Appearance
  
  
Physical State
Solid   
Solid   
Color
Grayish White   
Gray Blue   
Luster
Lustrous   
Metallic   
Hardness
  
  
Mohs Hardness
7.50   
2
6.50   
5
Brinell Hardness
2,000.00 MPa   
4
440.00 MPa   
28
Vickers Hardness
3,430.00 MPa   
1
870.00 MPa   
12
Speed of Sound
4,620.00 m/s   
16
3,400.00 m/s   
22
Optical Properties
  
  
Reflectivity
62.00 %   
13
78.00 %   
6
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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