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C14200 Copper vs. Type 3 Niobium

C14200 copper belongs to the copper alloys classification, while Type 3 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C14200 copper and the bottom bar is Type 3 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 8.0 to 45
23
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 220 to 370
220
Tensile Strength: Yield (Proof), MPa 75 to 340
140

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 190
42
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 29 to 83
44
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 500
93
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8 to 11
7.2
Strength to Weight: Bending, points 9.1 to 13
9.5
Thermal Diffusivity, mm2/s 56
18
Thermal Shock Resistance, points 7.9 to 13
21

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 99.4 to 99.835
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.0050
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
98.6 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0.015 to 0.040
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zirconium (Zr), % 0
0.8 to 1.2