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238.0 Aluminum vs. C10700 Copper

238.0 aluminum belongs to the aluminum alloys classification, while C10700 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C10700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
120
Elongation at Break, % 1.5
2.2 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
43
Tensile Strength: Ultimate (UTS), MPa 210
230 to 410
Tensile Strength: Yield (Proof), MPa 170
77 to 410

Thermal Properties

Latent Heat of Fusion, J/g 430
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 600
1080
Melting Onset (Solidus), °C 510
1080
Specific Heat Capacity, J/kg-K 840
390
Thermal Conductivity, W/m-K 100
390
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
100
Electrical Conductivity: Equal Weight (Specific), % IACS 67
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
35
Density, g/cm3 3.4
9.0
Embodied Carbon, kg CO2/kg material 7.4
2.7
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 1040
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
7.9 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 180
25 to 710
Stiffness to Weight: Axial, points 12
7.2
Stiffness to Weight: Bending, points 42
18
Strength to Weight: Axial, points 17
7.2 to 13
Strength to Weight: Bending, points 23
9.4 to 14
Thermal Diffusivity, mm2/s 37
110
Thermal Shock Resistance, points 9.1
8.2 to 15

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Copper (Cu), % 9.5 to 10.5
99.83 to 99.915
Iron (Fe), % 1.0 to 1.5
0
Magnesium (Mg), % 0 to 0.25
0
Oxygen (O), % 0
0 to 0.0010
Silicon (Si), % 3.6 to 4.4
0
Silver (Ag), % 0
0.085 to 0.12
Zinc (Zn), % 1.0 to 1.5
0
Residuals, % 0
0 to 0.050