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Physical Properties of Tantalum and Aluminium

Tantalum
Aluminium
Physical Properties of Aluminium and Tantalum


Physical Properties
Melting Point
2,996.00 °C   
4
660.37 °C   
99+
Boiling Point
5,425.00 °C   
4
2,467.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray Blue   
Silvery Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.50   
5
2.75   
13
Brinell Hardness
440.00 MPa   
28
160.00 MPa   
99+
Vickers Hardness
870.00 MPa   
12
160.00 MPa   
35
Speed of Sound
3,400.00 m/s   
22
5,000.00 m/s   
10
Optical Properties
  
  
Reflectivity
78.00 %   
6
71.00 %   
10
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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