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C55280 Copper vs. R05200 Tantalum

C55280 copper belongs to the copper alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C55280 copper and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
69
Tensile Strength: Ultimate (UTS), MPa 180
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 190
140
Specific Heat Capacity, J/kg-K 410
140
Thermal Expansion, µm/m-K 16
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.5
17

Common Calculations

Stiffness to Weight: Axial, points 6.9
6.2
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 5.9
3.6 to 9.0
Strength to Weight: Bending, points 8.3
4.8 to 8.8
Thermal Shock Resistance, points 7.4
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 90.5 to 91.4
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), % 6.8 to 7.2
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 1.8 to 2.2
0
Tantalum (Ta), % 0
99.8 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Residuals, % 0 to 0.15
0