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R05400 Tantalum vs. C14180 Copper

R05400 tantalum belongs to the otherwise unclassified metals classification, while C14180 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is C14180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 1.1 to 28
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 69
43
Tensile Strength: Ultimate (UTS), MPa 210 to 540
210
Tensile Strength: Yield (Proof), MPa 140 to 390
130

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Specific Heat Capacity, J/kg-K 140
390
Thermal Conductivity, W/m-K 59
370
Thermal Expansion, µm/m-K 6.5
17

Otherwise Unclassified Properties

Density, g/cm3 17
9.0
Embodied Water, L/kg 650
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
28
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
69
Stiffness to Weight: Axial, points 6.2
7.2
Stiffness to Weight: Bending, points 11
18
Strength to Weight: Axial, points 3.6 to 9.0
6.5
Strength to Weight: Bending, points 4.8 to 8.8
8.8
Thermal Diffusivity, mm2/s 25
110
Thermal Shock Resistance, points 13 to 32
7.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
99.9 to 100
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0
0 to 0.020
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.075
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 99.7 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0