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6008 Aluminum vs. CR012A Copper

6008 aluminum belongs to the aluminum alloys classification, while CR012A 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 6008 aluminum and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 9.1 to 17
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 200 to 290
220
Tensile Strength: Yield (Proof), MPa 100 to 220
130

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 620
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 190
390
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
100
Electrical Conductivity: Equal Weight (Specific), % IACS 160
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.5
2.7
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 28
29
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 360
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 21 to 29
6.8
Strength to Weight: Bending, points 28 to 35
9.0
Thermal Diffusivity, mm2/s 77
110
Thermal Shock Resistance, points 9.0 to 13
7.8

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0
Bismuth (Bi), % 0
0 to 0.00050
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
99.85 to 99.94
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.040
Silicon (Si), % 0.5 to 0.9
0
Silver (Ag), % 0
0.060 to 0.080
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0