Mechanical Properties of Niobium and Promethium
Density
  
  
Density At Room Temperature
8.57 g/cm3
  
99+
7.26 g/cm3
  
99+
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available
  
Elasticity properties
  
  
Other Mechanical Properties
Ductile, Malleable
  
NA