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Physical Properties of Tantalum and Hafnium
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Tantalum
Hafnium
Physical Properties of Hafnium and Tantalum
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical Properties
Melting Point
2,996.00 °C
4
2,150.00 °C
10
Boiling Point
5,425.00 °C
4
5,400.00 °C
5
Appearance
Physical State
Solid
Solid
Color
Gray Blue
Gray
Luster
Metallic
Metallic
Hardness
Mohs Hardness
6.50
5
5.50
7
Brinell Hardness
440.00 MPa
28
1,450.00 MPa
6
Vickers Hardness
870.00 MPa
12
1,520.00 MPa
5
Speed of Sound
3,400.00 m/s
22
3,010.00 m/s
27
Optical Properties
Reflectivity
78.00 %
6
Not Available
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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