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C96800 Copper vs. R05400 Tantalum

C96800 copper belongs to the copper alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C96800 copper and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 3.4
1.1 to 28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 46
69
Tensile Strength: Ultimate (UTS), MPa 1010
210 to 540
Tensile Strength: Yield (Proof), MPa 860
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 220
140
Specific Heat Capacity, J/kg-K 390
140
Thermal Conductivity, W/m-K 52
59
Thermal Expansion, µm/m-K 17
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.9
17
Embodied Water, L/kg 300
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 3000
50 to 420
Stiffness to Weight: Axial, points 7.6
6.2
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 32
3.6 to 9.0
Strength to Weight: Bending, points 25
4.8 to 8.8
Thermal Diffusivity, mm2/s 15
25
Thermal Shock Resistance, points 35
13 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.020
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 87.1 to 90.5
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.5
0 to 0.010
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0.050 to 0.3
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 9.5 to 10.5
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0 to 0.0025
0
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0