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C55181 Copper vs. R05400 Tantalum

C55181 copper belongs to the copper alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
69
Tensile Strength: Ultimate (UTS), MPa 200
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 190
140
Specific Heat Capacity, J/kg-K 410
140
Thermal Expansion, µm/m-K 16
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.5
17
Embodied Water, L/kg 290
650

Common Calculations

Stiffness to Weight: Axial, points 7.0
6.2
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 6.5
3.6 to 9.0
Strength to Weight: Bending, points 8.9
4.8 to 8.8
Thermal Shock Resistance, points 8.2
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 92.4 to 93
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
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), % 7.0 to 7.5
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Residuals, % 0 to 0.15
0