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C12000 Copper vs. R05200 Tantalum

C12000 copper belongs to the copper alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C12000 copper and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 2.8 to 50
1.1 to 28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
69
Tensile Strength: Ultimate (UTS), MPa 230 to 410
210 to 540
Tensile Strength: Yield (Proof), MPa 77 to 400
140 to 390

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 91
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 690
50 to 420
Stiffness to Weight: Axial, points 7.2
6.2
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 7.2 to 13
3.6 to 9.0
Strength to Weight: Bending, points 9.4 to 14
4.8 to 8.8
Thermal Diffusivity, mm2/s 110
25
Thermal Shock Resistance, points 8.2 to 15
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 99.9 to 99.996
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 0.015
Phosphorus (P), % 0.0040 to 0.012
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
99.8 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050