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CR012A Copper vs. EN AC-47100 Aluminum

CR012A copper belongs to the copper alloys classification, while EN AC-47100 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 CR012A copper and the bottom bar is EN AC-47100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 15
1.1
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
27
Tensile Strength: Ultimate (UTS), MPa 220
270
Tensile Strength: Yield (Proof), MPa 130
160

Thermal Properties

Latent Heat of Fusion, J/g 210
570
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
590
Melting Onset (Solidus), °C 1040
560
Specific Heat Capacity, J/kg-K 390
890
Thermal Conductivity, W/m-K 390
130
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
30
Electrical Conductivity: Equal Weight (Specific), % IACS 100
100

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 9.0
2.6
Embodied Carbon, kg CO2/kg material 2.7
7.6
Embodied Energy, MJ/kg 42
140
Embodied Water, L/kg 360
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 76
170
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
53
Strength to Weight: Axial, points 6.8
28
Strength to Weight: Bending, points 9.0
35
Thermal Diffusivity, mm2/s 110
54
Thermal Shock Resistance, points 7.8
12

Alloy Composition


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Aluminum (Al), % 0
81.4 to 88.8
Bismuth (Bi), % 0 to 0.00050
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 99.85 to 99.94
0.7 to 1.2
Iron (Fe), % 0
0 to 1.3
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.3
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
10.5 to 13.5
Silver (Ag), % 0.060 to 0.080
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.55
Residuals, % 0
0 to 0.25