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R05400 Tantalum vs. C70600 Copper-nickel

R05400 tantalum belongs to the otherwise unclassified metals classification, while C70600 copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 1.1 to 28
3.0 to 34
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 69
46
Tensile Strength: Ultimate (UTS), MPa 210 to 540
290 to 570
Tensile Strength: Yield (Proof), MPa 140 to 390
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 140
220
Specific Heat Capacity, J/kg-K 140
390
Thermal Conductivity, W/m-K 59
44
Thermal Expansion, µm/m-K 6.5
17

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
16 to 290
Stiffness to Weight: Axial, points 6.2
7.7
Stiffness to Weight: Bending, points 11
19
Strength to Weight: Axial, points 3.6 to 9.0
9.1 to 18
Strength to Weight: Bending, points 4.8 to 8.8
11 to 17
Thermal Diffusivity, mm2/s 25
13
Thermal Shock Resistance, points 13 to 32
9.8 to 19

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
84.7 to 90
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
9.0 to 11
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
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
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5