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CR007A Copper vs. R05400 Tantalum

CR007A 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 (8, in this case) are not shown.

For each property being compared, the top bar is CR007A 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, % 15
1.1 to 28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
69
Tensile Strength: Ultimate (UTS), MPa 230
210 to 540
Tensile Strength: Yield (Proof), MPa 140
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 380
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 31
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 83
50 to 420
Stiffness to Weight: Axial, points 7.2
6.2
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 7.1
3.6 to 9.0
Strength to Weight: Bending, points 9.3
4.8 to 8.8
Thermal Diffusivity, mm2/s 110
25
Thermal Shock Resistance, points 8.1
13 to 32

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 99.994 to 100
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.0010
0 to 0.010
Lead (Pb), % 0 to 0.00050
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 0.030
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tantalum (Ta), % 0
99.7 to 100
Tellurium (Te), % 0 to 0.00020
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050