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6008 Aluminum vs. CC381H Copper-nickel

6008 aluminum belongs to the aluminum alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
140
Elongation at Break, % 9.1 to 17
20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
52
Tensile Strength: Ultimate (UTS), MPa 200 to 290
380
Tensile Strength: Yield (Proof), MPa 100 to 220
140

Thermal Properties

Latent Heat of Fusion, J/g 410
240
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 640
1180
Melting Onset (Solidus), °C 620
1120
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 190
30
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 160
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
40
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.5
5.0
Embodied Energy, MJ/kg 160
73
Embodied Water, L/kg 1180
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 28
60
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 360
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 21 to 29
12
Strength to Weight: Bending, points 28 to 35
13
Thermal Diffusivity, mm2/s 77
8.4
Thermal Shock Resistance, points 9.0 to 13
13

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0 to 0.010
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
64.5 to 69.9
Iron (Fe), % 0 to 0.35
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.3
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.5 to 0.9
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0 to 0.15
0