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Physical Properties of Chromium and Niobium


Physical Properties of Niobium and Chromium


Physical Properties

Melting Point
1,857.00 °C   
14
2,468.00 °C   
6

Boiling Point
2,672.00 °C   
39
2,468.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
8.50   
1
6.00   
6

Brinell Hardness
687.00 MPa   
16
735.00 MPa   
14

Vickers Hardness
1,060.00 MPa   
10
870.00 MPa   
12

Speed of Sound
5,940.00 m/s   
5
3,480.00 m/s   
21

Optical Properties
  
  

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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