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Type 1 Niobium vs. C82500 Copper

Type 1 niobium belongs to the otherwise unclassified metals classification, while C82500 copper belongs to the copper alloys. 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 Type 1 niobium and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 29
1.0 to 20
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 38
45
Tensile Strength: Ultimate (UTS), MPa 140
550 to 1100
Tensile Strength: Yield (Proof), MPa 82
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Specific Heat Capacity, J/kg-K 270
390
Thermal Conductivity, W/m-K 52
130
Thermal Expansion, µm/m-K 7.3
17

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
11 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 32
400 to 4000
Stiffness to Weight: Axial, points 6.8
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 4.6
18 to 35
Strength to Weight: Bending, points 7.1
17 to 27
Thermal Diffusivity, mm2/s 23
38
Thermal Shock Resistance, points 13
19 to 38

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0
95.3 to 97.8
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 0.2
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
0.2 to 0.35
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.020
0 to 0.12
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.5