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C82000 Copper vs. R05200 Tantalum

C82000 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 (9, in this case) are not shown.

For each property being compared, the top bar is C82000 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, % 8.0 to 20
1.1 to 28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
69
Tensile Strength: Ultimate (UTS), MPa 350 to 690
210 to 540
Tensile Strength: Yield (Proof), MPa 140 to 520
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 260
59
Thermal Expansion, µm/m-K 17
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.9
17
Embodied Water, L/kg 320
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51 to 55
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 80 to 1120
50 to 420
Stiffness to Weight: Axial, points 7.5
6.2
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 11 to 22
3.6 to 9.0
Strength to Weight: Bending, points 12 to 20
4.8 to 8.8
Thermal Diffusivity, mm2/s 76
25
Thermal Shock Resistance, points 12 to 24
13 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.1
0 to 0.010
Lead (Pb), % 0 to 0.020
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.2
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
Silicon (Si), % 0 to 0.15
0 to 0.0050
Tantalum (Ta), % 0
99.8 to 100
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0