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R05400 Tantalum vs. ASTM B631 Class B

Both R05400 tantalum and ASTM B631 class B are otherwise unclassified metals. There are 11 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is ASTM B631 class B.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 69
78 to 79

Thermal Properties

Latent Heat of Fusion, J/g 140
150
Specific Heat Capacity, J/kg-K 140
170
Thermal Conductivity, W/m-K 59
450
Thermal Expansion, µm/m-K 6.5
12

Otherwise Unclassified Properties

Density, g/cm3 17
14

Common Calculations

Stiffness to Weight: Axial, points 6.2
8.1
Stiffness to Weight: Bending, points 11
14
Thermal Diffusivity, mm2/s 25
190