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Physical Properties of Hafnium and Tantalum
f
Hafnium
Tantalum
Physical Properties of Tantalum and Hafnium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical Properties
Melting Point
2,150.00 °C
10
2,996.00 °C
4
Boiling Point
5,400.00 °C
5
5,425.00 °C
4
Appearance
Physical State
Solid
Solid
Color
Gray
Gray Blue
Luster
Metallic
Metallic
Hardness
Mohs Hardness
5.50
7
6.50
5
Brinell Hardness
1,450.00 MPa
6
440.00 MPa
28
Vickers Hardness
1,520.00 MPa
5
870.00 MPa
12
Speed of Sound
3,010.00 m/s
27
3,400.00 m/s
22
Optical Properties
Reflectivity
Not Available
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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