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C82600 Copper vs. R05400 Tantalum

C82600 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 (7, in this case) are not shown.

For each property being compared, the top bar is C82600 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, % 1.0 to 20
1.1 to 28
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 46
69
Tensile Strength: Ultimate (UTS), MPa 570 to 1140
210 to 540
Tensile Strength: Yield (Proof), MPa 320 to 1070
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 240
140
Specific Heat Capacity, J/kg-K 390
140
Thermal Conductivity, W/m-K 130
59
Thermal Expansion, µm/m-K 17
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.7
17
Embodied Water, L/kg 310
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 97
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 4690
50 to 420
Stiffness to Weight: Axial, points 7.8
6.2
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 18 to 36
3.6 to 9.0
Strength to Weight: Bending, points 17 to 28
4.8 to 8.8
Thermal Diffusivity, mm2/s 37
25
Thermal Shock Resistance, points 19 to 39
13 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.3 to 2.6
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.35 to 0.65
0
Copper (Cu), % 94.9 to 97.2
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.25
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 0.030
Silicon (Si), % 0.2 to 0.35
0 to 0.0050
Tantalum (Ta), % 0
99.7 to 100
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0