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C81500 Copper vs. Type 2 Niobium

C81500 copper belongs to the copper alloys classification, while Type 2 niobium belongs to the otherwise unclassified metals. There are 21 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 C81500 copper and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
110
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
29
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 44
38
Tensile Strength: Ultimate (UTS), MPa 350
140
Tensile Strength: Yield (Proof), MPa 280
82

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 320
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 56
35
Resilience: Unit (Modulus of Resilience), kJ/m3 330
32
Stiffness to Weight: Axial, points 7.3
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 11
4.6
Strength to Weight: Bending, points 12
7.1
Thermal Diffusivity, mm2/s 91
23
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.1
0 to 0.010
Lead (Pb), % 0 to 0.020
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
Silicon (Si), % 0 to 0.15
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.3
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
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