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C19800 Copper vs. R05200 Tantalum

C19800 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 C19800 copper and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.0 to 12
1.1 to 28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
69
Tensile Strength: Ultimate (UTS), MPa 430 to 550
210 to 540
Tensile Strength: Yield (Proof), MPa 420 to 550
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 260
59
Thermal Expansion, µm/m-K 18
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 49 to 52
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 770 to 1320
50 to 420
Stiffness to Weight: Axial, points 7.2
6.2
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 14 to 17
3.6 to 9.0
Strength to Weight: Bending, points 14 to 17
4.8 to 8.8
Thermal Diffusivity, mm2/s 75
25
Thermal Shock Resistance, points 15 to 20
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 95.7 to 99.47
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0.020 to 0.5
0 to 0.010
Magnesium (Mg), % 0.1 to 1.0
0
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), % 0.010 to 0.1
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
99.8 to 100
Tin (Sn), % 0.1 to 1.0
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0.3 to 1.5
0
Residuals, % 0 to 0.2
0