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CR011A Copper vs. EN AC-42200 Aluminum

CR011A copper belongs to the copper alloys classification, while EN AC-42200 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 CR011A copper and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 15
3.0 to 6.7
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Tensile Strength: Ultimate (UTS), MPa 220
320
Tensile Strength: Yield (Proof), MPa 130
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 210
500
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
610
Melting Onset (Solidus), °C 1040
600
Specific Heat Capacity, J/kg-K 390
910
Thermal Conductivity, W/m-K 390
150
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 9.0
2.6
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 340
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 76
410 to 490
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
53
Strength to Weight: Axial, points 6.8
34 to 35
Strength to Weight: Bending, points 9.0
40 to 41
Thermal Diffusivity, mm2/s 110
66
Thermal Shock Resistance, points 7.8
15

Alloy Composition


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Aluminum (Al), % 0
91 to 93.1
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.88 to 99.97
0 to 0.050
Iron (Fe), % 0
0 to 0.19
Magnesium (Mg), % 0
0.45 to 0.7
Manganese (Mn), % 0
0 to 0.1
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
6.5 to 7.5
Silver (Ag), % 0.030 to 0.050
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1