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Physical Properties of Tantalum and Iron

Tantalum
Iron
Physical Properties of Iron and Tantalum


Physical Properties
Melting Point
2,996.00 °C   
4
1,535.00 °C   
25
Boiling Point
5,425.00 °C   
4
2,750.00 °C   
37
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray Blue   
Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.50   
5
4.00   
10
Brinell Hardness
440.00 MPa   
28
200.00 MPa   
40
Vickers Hardness
870.00 MPa   
12
608.00 MPa   
18
Speed of Sound
3,400.00 m/s   
22
5,120.00 m/s   
8
Optical Properties
  
  
Reflectivity
78.00 %   
6
65.00 %   
12
Allotropes
No   
Yes   
α Allotropes
Not Available   
Ferrite (alpha Iron)   
β Allotropes
Not Available   
beta Iron   
γ Allotropes
Not Available   
gamma Iron   
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