Reactive Metals

Tantalum

Application & Characteristics 
Used in capacitors, chemical plant equipment, electronic rectifiers, surgical implants, nuclear reactors, space craft. Resists all acids except hydrofluoric.
Chemical Composition (%)
Ta
Physical Properties
Melting Range (°F)5425
Density (lbs/in³) 68F0.6
Thermal Expansion (in/in °Fx10 to the power of -6)3.5 (70F)
Electrical Resistivity (ohms/cir mil/ft.) 68F75
Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)60
Yield Strength (psi x 10³)50
Elongation ( % )40
Hardness80 (VHN)
Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)100
Yield Strength (psi x 10³)90
Elongation ( % )10
Hardness155 (VHN)

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