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Physical Properties of Tantalum and Tungsten

Tantalum
Tungsten
Physical Properties of Tungsten and Tantalum


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