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C70250 Copper vs. 2219 Aluminum

C70250 copper belongs to the copper alloys classification, while 2219 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 C70250 copper and the bottom bar is 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
27
Tensile Strength: Ultimate (UTS), MPa 520 to 740
180 to 480

Thermal Properties

Latent Heat of Fusion, J/g 220
390
Maximum Temperature: Mechanical, °C 210
230
Melting Completion (Liquidus), °C 1100
640
Melting Onset (Solidus), °C 1080
540
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 170
110 to 170
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.9
3.1
Embodied Carbon, kg CO2/kg material 2.9
8.2
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1130

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
44
Strength to Weight: Axial, points 16 to 23
16 to 43
Strength to Weight: Bending, points 16 to 21
23 to 44
Thermal Diffusivity, mm2/s 49
42 to 63
Thermal Shock Resistance, points 18 to 26
8.2 to 22

Alloy Composition

Aluminum (Al), % 0
91.5 to 93.8
Copper (Cu), % 92.7 to 97.5
5.8 to 6.8
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0 to 0.020
Manganese (Mn), % 0 to 0.1
0.2 to 0.4
Nickel (Ni), % 2.2 to 4.2
0
Silicon (Si), % 0.25 to 1.2
0 to 0.2
Titanium (Ti), % 0
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 1.0
0 to 0.1
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.15