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6012 Aluminum vs. CR011A Copper

6012 aluminum belongs to the aluminum alloys classification, while CR011A copper belongs to the copper 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 6012 aluminum and the bottom bar is CR011A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 9.1 to 11
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 220 to 320
220
Tensile Strength: Yield (Proof), MPa 110 to 260
130

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 570
1040
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 160
390
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
100
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.9
9.0
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1170
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
29
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 48
18
Strength to Weight: Axial, points 22 to 32
6.8
Strength to Weight: Bending, points 29 to 37
9.0
Thermal Diffusivity, mm2/s 62
110
Thermal Shock Resistance, points 10 to 14
7.8

Alloy Composition

Aluminum (Al), % 92.2 to 98
0
Bismuth (Bi), % 0 to 0.7
0 to 0.00050
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
99.88 to 99.97
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0
Oxygen (O), % 0
0 to 0.040
Silicon (Si), % 0.6 to 1.4
0
Silver (Ag), % 0
0.030 to 0.050
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0