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2018 Aluminum vs. C83600 Ounce Metal

2018 aluminum belongs to the aluminum alloys classification, while C83600 ounce metal 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 2018 aluminum and the bottom bar is C83600 ounce metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 9.6
21
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 420
250
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 640
1010
Melting Onset (Solidus), °C 510
850
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 150
72
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
15
Electrical Conductivity: Equal Weight (Specific), % IACS 120
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.1
8.8
Embodied Carbon, kg CO2/kg material 8.1
3.1
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1130
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
43
Resilience: Unit (Modulus of Resilience), kJ/m3 670
70
Stiffness to Weight: Axial, points 13
6.7
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 38
7.9
Strength to Weight: Bending, points 41
10
Thermal Diffusivity, mm2/s 57
22
Thermal Shock Resistance, points 19
9.3

Alloy Composition

Aluminum (Al), % 89.7 to 94.4
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
84 to 86
Iron (Fe), % 0 to 1.0
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 1.7 to 2.3
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.9
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 0.25
4.0 to 6.0
Residuals, % 0
0 to 0.7