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CR012A Copper vs. 2219 Aluminum

CR012A copper belongs to the copper alloys classification, while 2219 aluminum belongs to the aluminum alloys. There are 28 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 CR012A copper and the bottom bar is 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 15
2.2 to 20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
27
Tensile Strength: Ultimate (UTS), MPa 220
180 to 480
Tensile Strength: Yield (Proof), MPa 130
88 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
390
Maximum Temperature: Mechanical, °C 200
230
Melting Completion (Liquidus), °C 1090
640
Melting Onset (Solidus), °C 1040
540
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 390
110 to 170
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 100
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 33
11
Density, g/cm3 9.0
3.1
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 360
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
9.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 76
54 to 1060
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
44
Strength to Weight: Axial, points 6.8
16 to 43
Strength to Weight: Bending, points 9.0
23 to 44
Thermal Diffusivity, mm2/s 110
42 to 63
Thermal Shock Resistance, points 7.8
8.2 to 22

Alloy Composition


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Aluminum (Al), % 0
91.5 to 93.8
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
5.8 to 6.8
Iron (Fe), % 0
0 to 0.3
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0
0.2 to 0.4
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 0.060 to 0.080
0
Titanium (Ti), % 0
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.15