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C82400 Copper vs. Type 2 Niobium

C82400 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 C82400 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, % 1.0 to 20
29
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 45
38
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
140
Tensile Strength: Yield (Proof), MPa 260 to 970
82

Thermal Properties

Latent Heat of Fusion, J/g 230
320
Specific Heat Capacity, J/kg-K 380
270
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 17
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.6
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
35
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
32
Stiffness to Weight: Axial, points 7.6
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16 to 33
4.6
Strength to Weight: Bending, points 16 to 26
7.1
Thermal Diffusivity, mm2/s 39
23
Thermal Shock Resistance, points 17 to 36
13

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 1.6 to 1.9
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.2
0 to 0.010
Lead (Pb), % 0 to 0.020
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.2
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
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.3
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0 to 0.030
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0