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C72700 Copper-nickel vs. 358.0 Aluminum

C72700 copper-nickel belongs to the copper alloys classification, while 358.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is 358.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 4.0 to 36
3.5 to 6.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
27
Shear Strength, MPa 310 to 620
300 to 320
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
350 to 370
Tensile Strength: Yield (Proof), MPa 580 to 1060
290 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
520
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1100
600
Melting Onset (Solidus), °C 930
560
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 54
150
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
36
Electrical Conductivity: Equal Weight (Specific), % IACS 11
130

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.8
2.6
Embodied Carbon, kg CO2/kg material 4.0
8.7
Embodied Energy, MJ/kg 62
160
Embodied Water, L/kg 350
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
12 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
590 to 710
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 14 to 34
37 to 39
Strength to Weight: Bending, points 15 to 26
42 to 44
Thermal Diffusivity, mm2/s 16
63
Thermal Shock Resistance, points 16 to 38
16 to 17

Alloy Composition

Aluminum (Al), % 0
89.1 to 91.8
Beryllium (Be), % 0
0.1 to 0.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 82.1 to 86
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.3
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0.4 to 0.6
Manganese (Mn), % 0.050 to 0.3
0 to 0.2
Nickel (Ni), % 8.5 to 9.5
0
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0
7.6 to 8.6
Tin (Sn), % 5.5 to 6.5
0
Titanium (Ti), % 0
0.1 to 0.2
Zinc (Zn), % 0 to 0.5
0 to 0.2
Residuals, % 0
0 to 0.15