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Refractory Metals

Tantalum, Ta; Soft
Categories: Metal; Nonferrous Metal; Refractory Metal; Pure Element

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Physical PropertiesMetricEnglishComments
Density 16.656 g/cc0.60174 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 9090
Tensile Strength, Ultimate 310 - 485 MPa45000 - 70300 psi
Tensile Strength, Yield 310 - 380 MPa
@Strain 0.2 %
45000 - 55100 psi
@Strain 0.2 %
Elongation at Break 25 - 40 %25 - 40 %
Modulus of Elasticity 179 GPa26000 ksi
 
Thermal PropertiesMetricEnglishComments
CTE, linear 6.50 µm/m-°C3.61 µin/in-°F
Specific Heat Capacity 0.142 J/g-°C0.0339 BTU/lb-°F
Thermal Conductivity 57.55 W/m-K399.4 BTU-in/hr-ft²-°F
Melting Point 2996 °C5425 °F
Boiling Point 5458 °C9856 °F
 
Component Elements PropertiesMetricEnglishComments
Tantalum, Ta 99.95 %99.95 %recrystallized

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