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2219 Aluminum vs. C70260 Copper

2219 aluminum belongs to the aluminum alloys classification, while C70260 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 2219 aluminum and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 2.2 to 20
9.5 to 19
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
44
Shear Strength, MPa 110 to 280
320 to 450
Tensile Strength: Ultimate (UTS), MPa 180 to 480
520 to 760
Tensile Strength: Yield (Proof), MPa 88 to 390
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 390
220
Maximum Temperature: Mechanical, °C 230
200
Melting Completion (Liquidus), °C 640
1060
Melting Onset (Solidus), °C 540
1040
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 110 to 170
160
Thermal Expansion, µm/m-K 22
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
710 to 1810
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 44
18
Strength to Weight: Axial, points 16 to 43
16 to 24
Strength to Weight: Bending, points 23 to 44
16 to 21
Thermal Diffusivity, mm2/s 42 to 63
45
Thermal Shock Resistance, points 8.2 to 22
18 to 27

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
0
Copper (Cu), % 5.8 to 6.8
95.8 to 98.8
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0.2 to 0.7
Titanium (Ti), % 0.020 to 0.1
0
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.5