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C14510 Copper vs. Type 2 Niobium

C14510 copper belongs to the copper alloys classification, while Type 2 niobium 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 C14510 copper and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 9.1 to 9.6
29
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 300 to 320
140
Tensile Strength: Yield (Proof), MPa 230 to 250
82

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 360
52
Thermal Expansion, µm/m-K 17
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.6
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 29
35
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
32
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.2 to 10
4.6
Strength to Weight: Bending, points 11 to 12
7.1
Thermal Diffusivity, mm2/s 100
23
Thermal Shock Resistance, points 11 to 12
13

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 99.15 to 99.69
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Lead (Pb), % 0 to 0.050
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.5 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0.010 to 0.030
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.3
Tellurium (Te), % 0.3 to 0.7
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.020