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C15900 Copper vs. 7204 Aluminum

C15900 copper belongs to the copper alloys classification, while 7204 aluminum belongs to the aluminum alloys. There are 29 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 C15900 copper and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 6.5
11 to 13
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 420
130 to 220
Tensile Strength: Ultimate (UTS), MPa 720
220 to 380
Tensile Strength: Yield (Proof), MPa 240
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1030
520
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 280
150
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
39
Electrical Conductivity: Equal Weight (Specific), % IACS 49
120

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.8
2.9
Embodied Carbon, kg CO2/kg material 2.8
8.4
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 260
110 to 710
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 23
21 to 36
Strength to Weight: Bending, points 20
28 to 40
Thermal Diffusivity, mm2/s 80
58
Thermal Shock Resistance, points 26
9.4 to 16

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
90.5 to 94.8
Carbon (C), % 0.27 to 0.33
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 97.5 to 97.9
0 to 0.2
Iron (Fe), % 0 to 0.040
0 to 0.35
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0
0.2 to 0.7
Oxygen (O), % 0.4 to 0.54
0
Silicon (Si), % 0
0 to 0.3
Titanium (Ti), % 0.66 to 0.74
0 to 0.2
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0
4.0 to 5.0
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15