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C71500 Copper-nickel vs. 3003 Aluminum

C71500 copper-nickel belongs to the copper alloys classification, while 3003 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 C71500 copper-nickel and the bottom bar is 3003 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 52
26
Tensile Strength: Ultimate (UTS), MPa 380 to 620
110 to 240

Thermal Properties

Latent Heat of Fusion, J/g 230
400
Maximum Temperature: Mechanical, °C 260
180
Melting Completion (Liquidus), °C 1240
650
Melting Onset (Solidus), °C 1170
640
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 28
180
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
44
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
140

Otherwise Unclassified Properties

Base Metal Price, % relative 41
9.5
Calomel Potential, mV -250
-740
Density, g/cm3 8.9
2.8
Embodied Carbon, kg CO2/kg material 5.1
8.1
Embodied Energy, MJ/kg 74
150
Embodied Water, L/kg 280
1180

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 12 to 19
11 to 24
Strength to Weight: Bending, points 13 to 18
18 to 30
Thermal Diffusivity, mm2/s 7.7
71
Thermal Shock Resistance, points 12 to 20
4.7 to 10

Alloy Composition

Aluminum (Al), % 0
96.8 to 99
Copper (Cu), % 63.5 to 70.6
0.050 to 0.2
Iron (Fe), % 0.4 to 1.0
0 to 0.7
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Nickel (Ni), % 29 to 33
0
Silicon (Si), % 0
0 to 0.6
Zinc (Zn), % 0 to 1.0
0 to 0.1
Residuals, % 0
0 to 0.15