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EN AC-42100 Aluminum vs. C71500 Copper-nickel

EN AC-42100 aluminum belongs to the aluminum alloys classification, while C71500 copper-nickel belongs to the copper alloys. There are 24 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 EN AC-42100 aluminum and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
52
Tensile Strength: Ultimate (UTS), MPa 280 to 290
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 500
230
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 610
1240
Melting Onset (Solidus), °C 600
1170
Specific Heat Capacity, J/kg-K 910
400
Thermal Conductivity, W/m-K 150
28
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
41
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 8.0
5.1
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 1110
280

Common Calculations

Stiffness to Weight: Axial, points 15
8.6
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 30 to 31
12 to 19
Strength to Weight: Bending, points 37 to 38
13 to 18
Thermal Diffusivity, mm2/s 66
7.7
Thermal Shock Resistance, points 13
12 to 20

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Copper (Cu), % 0 to 0.050
63.5 to 70.6
Iron (Fe), % 0 to 0.19
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 1.0
Residuals, % 0
0 to 0.5