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238.0 Aluminum vs. C16500 Copper

238.0 aluminum belongs to the aluminum alloys classification, while C16500 copper 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 238.0 aluminum and the bottom bar is C16500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 1.5
1.5 to 53
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
43
Tensile Strength: Ultimate (UTS), MPa 210
280 to 530
Tensile Strength: Yield (Proof), MPa 170
97 to 520

Thermal Properties

Latent Heat of Fusion, J/g 430
210
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 600
1070
Melting Onset (Solidus), °C 510
1010
Specific Heat Capacity, J/kg-K 840
380
Thermal Conductivity, W/m-K 100
250
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
60
Electrical Conductivity: Equal Weight (Specific), % IACS 67
61

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 3.4
8.9
Embodied Carbon, kg CO2/kg material 7.4
2.6
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 1040
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
7.8 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
41 to 1160
Stiffness to Weight: Axial, points 12
7.1
Stiffness to Weight: Bending, points 42
18
Strength to Weight: Axial, points 17
8.6 to 17
Strength to Weight: Bending, points 23
11 to 16
Thermal Diffusivity, mm2/s 37
74
Thermal Shock Resistance, points 9.1
9.8 to 19

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Cadmium (Cd), % 0
0.6 to 1.0
Copper (Cu), % 9.5 to 10.5
97.8 to 98.9
Iron (Fe), % 1.0 to 1.5
0 to 0.020
Magnesium (Mg), % 0 to 0.25
0
Silicon (Si), % 3.6 to 4.4
0
Tin (Sn), % 0
0.5 to 0.7
Zinc (Zn), % 1.0 to 1.5
0
Residuals, % 0
0 to 0.5