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Physical Properties of Tantalum and Cobalt
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Tantalum
Cobalt
Physical Properties of Cobalt and Tantalum
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical Properties
Melting Point
2,996.00 °C
4
1,495.00 °C
29
Boiling Point
5,425.00 °C
4
2,870.00 °C
34
Appearance
Physical State
Solid
Solid
Color
Gray Blue
Gray
Luster
Metallic
Metallic
Hardness
Mohs Hardness
6.50
5
5.00
8
Brinell Hardness
440.00 MPa
28
470.00 MPa
26
Vickers Hardness
870.00 MPa
12
1,043.00 MPa
11
Speed of Sound
3,400.00 m/s
22
4,720.00 m/s
14
Optical Properties
Reflectivity
78.00 %
6
67.00 %
11
Allotropes
No
Yes
α Allotropes
Not Available
α-Cobalt
β Allotropes
Not Available
β-Cobalt
γ Allotropes
Not Available
Not Available
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