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C82800 Copper vs. Type 1 Niobium

C82800 copper belongs to the copper alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C82800 copper and the bottom bar is Type 1 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 46
38
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
140
Tensile Strength: Yield (Proof), MPa 380 to 1000
82

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 17
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.6
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
35
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
32
Stiffness to Weight: Axial, points 7.8
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 21 to 36
4.6
Strength to Weight: Bending, points 20 to 28
7.1
Thermal Diffusivity, mm2/s 36
23
Thermal Shock Resistance, points 23 to 39
13

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.5 to 2.9
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.25
0 to 0.0050
Lead (Pb), % 0 to 0.020
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0 to 0.2
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0.2 to 0.35
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0