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C71000 Copper-nickel vs. Type 1 Niobium

C71000 copper-nickel belongs to the copper alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 49
38
Tensile Strength: Ultimate (UTS), MPa 320 to 560
140

Thermal Properties

Latent Heat of Fusion, J/g 230
320
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 43
52
Thermal Expansion, µm/m-K 15
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.6
Embodied Water, L/kg 290
160

Common Calculations

Stiffness to Weight: Axial, points 8.2
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 18
4.6
Strength to Weight: Bending, points 12 to 17
7.1
Thermal Diffusivity, mm2/s 12
23
Thermal Shock Resistance, points 12 to 20
13

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 73.5 to 80.5
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0.5 to 1.0
0 to 0.0050
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 19 to 23
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
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
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0